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Table 3 Baseline clinical characteristics of DR-TB patients stratified by lost to follow-up status, University of Gondar Comprehensive Specialized Hospital, September 2010–December 2017, (N = 332)

From: Incidence and predictors of lost to follow-up among drug-resistant tuberculosis patients at University of Gondar Comprehensive Specialized Hospital, Northwest Ethiopia: a retrospective follow-up study

Variable Frequency (%) Lost to follow-up status
Eventa (n = 36) Censoredb (n = 296)
BMI
 < 18.5 221 (71.99) 25 186
 > =18.50 86 (18.01) 8 78
Functional status
 Working 78 (23.49) 7 71
 Ambulatory 225 (67.77) 29 196
 Bedridden 29 (8.73) 0 29
Registration Group
 New 41 (12.35) 4 37
 Relapse 45 (13.55) 5 40
 Return after lost to follow-up 2 (0.60) 1 1
 Failure 241 (72.60) 26 215
 outcome not assigned 3 (0.90) 0 3
No of previous TB treatment
 < 2 112 (33.74) 11 101
 > =2 218 (65.66) 25 193
 Not recorded 2 (0.60) 0 2
Site of tuberculosis
 Pulmonary 306 (92.17) 31 275
 Extra Pulmonaryc 26 (7.83) 5 21
Lung complication
 No complication 275 (82.83) 29 246
 Pneumonia 39 (11.75) 5 34
 Pneumothorax 5 (1.51) 0 5
 Corpulmonale 9 (2.71) 1 8
 Bronchiectasis 4 (1.20) 1 3
Co-morbidity
 No 277 (83.43) 30 247
 Yesd 55 (16.57) 6 49
HIV co-infection
 No 246 (74.10) 27 219
 Yes 84 (25.30) 9 75
 Unknown 2 (0.60) 0 2
Base line sputum smear result
 Negative 48 (14.46) 6 42
 Positive 258 (77.71) 27 231
 Not recorded 26 (7.83) 3 23
Baseline Culture result
 Positive 180 (54.22) 15 165
 Negative 71 (21.38) 12 59
 Not recorded 81 (24.40) 9 72
Culture converted among baseline Culture result positive
 Yes 159 (88.33) 9 150
 No 21 (11.67) 6 15
DR-TB type
 RR-TB 147 (44.28) 17 130
 MDR-TB 168 (50.60) 18 150
 Clinically diagnosed 17 (5.12) 1 16
  1. Eventa in this study was patients lost during follow-up; Censoredb was either cured, completed, death, transfer out, still on treatment
  2. cLymph node, vertebral, bone, testicular, and skin
  3. dDiabetes Mellitus, Hypertension, Bronchial Asthma, CKD, and Cardiac diseases