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Table 3 Factors associated with pretreatment loss to follow-up (PTLFU) of smear-positive tuberculosis patients in Chennai, India, in a multivariate logistic regression analysis

From: Pretreatment loss to follow-up of tuberculosis patients in Chennai, India: a cohort study with implications for health systems strengthening

  Descriptive statistics Regression model
Proportion of sample (N = 344) Proportion with PTLFU Univariate
Findings
Multivariate findings
(N = 344)
p-value
N(%) N(%) Odds Ratio (p-value) Odds Ratio
(CI)
Gender
 Male 280 (81.4) 63 (22.5)  
 Female 64 (18.6) 13 (20.3) 0.88 (0.70) 1.33 (0.59—2.88) 0.49
Age
 18–35 90 (26.2) 13 (14.4)  
 36–50 141 (41.0) 26 (18.4) 1.34 (0.43) 0.97 (0.44—2.20) 0.93
 51+ 113 (32.8) 37 (32.7) 2.88 (0.002) 2.94 (1.40—6.49) 0.004*
Patient from inside or outside of Chennai
 Inside Chennai 281 (81.7) 60 (21.4)  
 Outside Chennai 63 (18.3) 16 (25.4) 1.25 (0.49) 1.18 (0.56—2.38) 0.66
Trackability based on phone number and address information
 Probably trackable 201 (58.4) 35 (17.4)  
 Possibly trackable 128 (37.2) 35 (27.3) 1.78 (0.03) 1.66 (0.91—3.05) 0.10
 Untrackable 15 (4.4) 6 (40.0) 3.16 (0.05) 4.49 (1.29—15.06) 0.02*
Prior TB treatment history
 No prior TB treatment 247 (71.8) 38 (15.4)  
 Prior TB treatment 97 (28.2) 38 (39.2) 3.54 (< 0.001) 3.88 (2.15—7.09) < 0.0001*
Site of initial microscopy test
 Moderate or low patient volume microscopy center 133 (38.7) 16 (12.0)  
 High patient volume microscopy center 211 (61.3) 60 (28.4) 2.91 (0.0002) 3.18 (1.69—6.32) 0.0002*
  1. *indicates a statistically significant finding at the 5% level