Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study

Abstract Background There are few data available about childhood tuberculosis (TB) in rural hospitals in low-income countries. We assessed differences in epidemiological characteristics and treatment outcomes in children with TB aged 0–4 versus 5–14 years in rural Ethiopia. Methods For this retrospe...

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Main Authors: José M. Ramos, Mario Pérez-Butragueño, Abraham Tesfamariam, Francisco Reyes, Gebre Tiziano, Jacob Endirays, Seble Balcha, Tamasghen Elala, Dejene Biru, Belén Comeche, Miguel Górgolas
Format: Article
Language:English
Published: BMC 2019-07-01
Series:BMC Public Health
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Online Access:http://link.springer.com/article/10.1186/s12889-019-7206-2
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author José M. Ramos
Mario Pérez-Butragueño
Abraham Tesfamariam
Francisco Reyes
Gebre Tiziano
Jacob Endirays
Seble Balcha
Tamasghen Elala
Dejene Biru
Belén Comeche
Miguel Górgolas
author_facet José M. Ramos
Mario Pérez-Butragueño
Abraham Tesfamariam
Francisco Reyes
Gebre Tiziano
Jacob Endirays
Seble Balcha
Tamasghen Elala
Dejene Biru
Belén Comeche
Miguel Górgolas
author_sort José M. Ramos
collection DOAJ
description Abstract Background There are few data available about childhood tuberculosis (TB) in rural hospitals in low-income countries. We assessed differences in epidemiological characteristics and treatment outcomes in children with TB aged 0–4 versus 5–14 years in rural Ethiopia. Methods For this retrospective cross-sectional study, we analyzed childhood TB registers from a rural Ethiopian hospital. We collected data on the number of cases, type of TB, and treatment outcomes using standard definitions. By means of binary and logistic regression analyses, data were compared from 1998 to 2015 in children aged under 5 versus those aged 5–14 years. Results We included 1282 TB patients: 583 (45.5%) were under 5 years old, and 699 (54.5%) were aged 5–14 years. More than half (67.2%, n = 862) had pulmonary TB (PTB), which was more common in younger children (82.5%, 481/583) than in older ones (54.5%, 381/699; p < 0.001). Most cases of PTB (87.5%, 754/862) were smear negative, including virtually all (99.6%, 479/481) younger children and most older ones (72.2%, n = 275/381; p < 0.001). The most common types of extrapulmonary TB (EPTB) were TB adenitis (54.5%, 229/420) and bone TB (20%, 84/420). Children under five showed a lower prevalence of adenitis TB (9.9% [58/583] versus 24.5% [171/699], p < 0.001), bone TB (2.9% [17/583] versus 9.6% [69/699], p < 0.001), and abdominal TB (0.9% [5/583] versus 6.3% [44/699], p < 0.001). Most diagnoses were new cases of TB (98.2%, 1259/1282). Overall, 63.5% (n = 814) of the children successfully completed treatment (< 5 years: 56.6%, 330/583; 5–14 years: 69.2%, 489/699; p < 0.001). In total, 16.3% (n = 209) transferred to another center (< 5 years: 19.4%, 113/583; 5–14 years: 13.7%, 96/699; p = 0.006). Thirteen percent of patients (n = 167) were lost to follow-up (< 5 years: 16.0%, 93/583; 5–14 years: 10.4%, 74/699; p = 0.004). Fifty-two (4.1%) children died (no age differences). Being aged 5–14 years was independently associated with successful treatment outcomes (adjusted odds ratio 1.59; 95% confidence interval: 1.16, 1.94, p = 0.002). Conclusions We observed a very low diagnostic yield for spontaneous sputum smear in children with TB. In this rural setting in Ethiopia, very young children tend to present with new cases of smear-negative PTB. They have less EPTB than older children but more TB meningitis and show lower rates of treatment success.
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spelling doaj.art-92204aa57b1743bcba8429af7a451d282022-12-22T01:01:56ZengBMCBMC Public Health1471-24582019-07-011911910.1186/s12889-019-7206-2Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional studyJosé M. Ramos0Mario Pérez-Butragueño1Abraham Tesfamariam2Francisco Reyes3Gebre Tiziano4Jacob Endirays5Seble Balcha6Tamasghen Elala7Dejene Biru8Belén Comeche9Miguel Górgolas10Department of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalDepartment of Medicine and Pediatrics, Gambo Rural General HospitalAbstract Background There are few data available about childhood tuberculosis (TB) in rural hospitals in low-income countries. We assessed differences in epidemiological characteristics and treatment outcomes in children with TB aged 0–4 versus 5–14 years in rural Ethiopia. Methods For this retrospective cross-sectional study, we analyzed childhood TB registers from a rural Ethiopian hospital. We collected data on the number of cases, type of TB, and treatment outcomes using standard definitions. By means of binary and logistic regression analyses, data were compared from 1998 to 2015 in children aged under 5 versus those aged 5–14 years. Results We included 1282 TB patients: 583 (45.5%) were under 5 years old, and 699 (54.5%) were aged 5–14 years. More than half (67.2%, n = 862) had pulmonary TB (PTB), which was more common in younger children (82.5%, 481/583) than in older ones (54.5%, 381/699; p < 0.001). Most cases of PTB (87.5%, 754/862) were smear negative, including virtually all (99.6%, 479/481) younger children and most older ones (72.2%, n = 275/381; p < 0.001). The most common types of extrapulmonary TB (EPTB) were TB adenitis (54.5%, 229/420) and bone TB (20%, 84/420). Children under five showed a lower prevalence of adenitis TB (9.9% [58/583] versus 24.5% [171/699], p < 0.001), bone TB (2.9% [17/583] versus 9.6% [69/699], p < 0.001), and abdominal TB (0.9% [5/583] versus 6.3% [44/699], p < 0.001). Most diagnoses were new cases of TB (98.2%, 1259/1282). Overall, 63.5% (n = 814) of the children successfully completed treatment (< 5 years: 56.6%, 330/583; 5–14 years: 69.2%, 489/699; p < 0.001). In total, 16.3% (n = 209) transferred to another center (< 5 years: 19.4%, 113/583; 5–14 years: 13.7%, 96/699; p = 0.006). Thirteen percent of patients (n = 167) were lost to follow-up (< 5 years: 16.0%, 93/583; 5–14 years: 10.4%, 74/699; p = 0.004). Fifty-two (4.1%) children died (no age differences). Being aged 5–14 years was independently associated with successful treatment outcomes (adjusted odds ratio 1.59; 95% confidence interval: 1.16, 1.94, p = 0.002). Conclusions We observed a very low diagnostic yield for spontaneous sputum smear in children with TB. In this rural setting in Ethiopia, very young children tend to present with new cases of smear-negative PTB. They have less EPTB than older children but more TB meningitis and show lower rates of treatment success.http://link.springer.com/article/10.1186/s12889-019-7206-2TuberculosisChildhood tuberculosisChildren under fiveChildrenPulmonary tuberculosis
spellingShingle José M. Ramos
Mario Pérez-Butragueño
Abraham Tesfamariam
Francisco Reyes
Gebre Tiziano
Jacob Endirays
Seble Balcha
Tamasghen Elala
Dejene Biru
Belén Comeche
Miguel Górgolas
Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study
BMC Public Health
Tuberculosis
Childhood tuberculosis
Children under five
Children
Pulmonary tuberculosis
title Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study
title_full Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study
title_fullStr Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study
title_full_unstemmed Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study
title_short Comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern Ethiopia: an 18-year retrospective cross-sectional study
title_sort comparing tuberculosis in children aged under 5 versus 5 to 14 years old in a rural hospital in southern ethiopia an 18 year retrospective cross sectional study
topic Tuberculosis
Childhood tuberculosis
Children under five
Children
Pulmonary tuberculosis
url http://link.springer.com/article/10.1186/s12889-019-7206-2
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