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Table 1 Characteristics of PTB cases identified in the study area and in the sample, stratified by Brazilian or other South American nationalities

From: Migration and tuberculosis transmission in a middle-income country: a cross-sectional study in a central area of São Paulo, Brazil

  Brazilians (n = 266) South American migrants (n = 81) Total (n = 347)  
N (%) N (%) N (%) p value*
Mean age in years (SD) 38.0 (13.6) 27.0 (8.9) 35.4 (13.5) < 0.001
Sex     0.130
 Male 197 (74.1) 53 (65.4) 250 (72.1)  
 Female 69 (25.9) 28 (34.6) 97 (27.9)  
School attendance     0.191
 0–3 17 (7.62) 3 (4.9) 20 (7.0)  
 4–7 74 (33.2) 14 (22.9) 88 (31.0)  
 8–11 101 (45.3) 30 (49.2) 131 (46.1)  
 12+ 31 (13.9) 14 (23.0) 284 (15.9)  
Case     < 0.001
 New 187 (72.2) 75 (93.8) 262 (77.3)  
 Retreatment/relapse 72 (27.8) 5 (6.2) 77 (22.7)  
Treatment outcome     0.318
 Cure 178 (70.1) 56 (77.8) 234 (71.8)  
 Loss of follow-up 60 (23.6) 11 (15.3) 71 (21.8)  
 Death/failure 16 (6.3) 5 (2.8) 21 (6.4)  
Sputum smear     0.160
 Negative 50 (19.2) 21 (26.6) 71 (20.9)  
 Positive 210 (80.8) 58 (73.4) 268 (79.1)  
Drug resistancea     0.596
 No 210 (87.5) 70 (89.7) 280 (88.1)  
 Yes 30 (12.5) 8 (10.3) 38 (11.9)  
HIV test     < 0.001
 Negative 162 (67.5) 70 (97.2) 232 (74.4)  
 Positive 78 (32.5) 2 (2.8) 80 (25.6)  
Diabetes    
 No 251 (94.4) 81 (100) 332 (95.7)  
 Yes 15 (5.6) 0 (0) 15 (4.3)  
Alcohol abuse     0.002
 No 219 (82.3) 78 (96.3) 297 (85.6)  
 Yes 47 (17.7) 3 (3.7) 50 (14.4)  
Drug user     < 0.001
 No 210 (78.9) 79 (97.5) 289 (83.3)  
 Yes 56 (21.1) 2 (2.5) 58 (16.7)  
  1. The percentage in brackets is calculated based on non-missing data. The difference between the total number of Brazilians, South American migrants or Total and each variable category corresponds to missing data
  2. *Two tailed t test used for mean age comparison and Pearson chi-square for categorical variables
  3. aResistant to at least one drug