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Table 1 Potential predictors for pulmonary tuberculosis in TB suspect individuals

From: Diagnosis of smear-negative pulmonary tuberculosis based on clinical signs in the Republic of Congo

Characteristics PTB, N = 372 no PTB, N = 367 Unadjusted OR (95 % CI) LR R2 P value
Men (%) 220 (59) 191 (52) 1.33 (0.99–1.77) 3.77 0.004 0.052
Median age (years) (IQR) 32 (24–42) 34 (25–46) 0.98 (0.97–0.99) 4.68 0.031 0.032
Cough (%) 372 (100) 359 (98) NA NA NA 0.004
Fever (%) 338 (91) 321 (88) 1.42 (0.89–2.28) 2.21 0.002 0.139
Anorexia (%) 299 (80) 298 (81) 0.95 (0.66–1.37) 0.08 0.0001 0.777
Asthenia (%) 334 (90) 314 (86) 1.48 (0.95–2.31) 3.07 0.003 0.082
Pale skin (%) 53 (14) 20 (5) 2.88 (1.69–4.93) 16.62 0.016 <0.001
Weight loss (%) 360 (97) 308 (84) 5.75 (3.03–10.89) 37.93 0.037 <0.001
Positive TST (%) 283 (76) 235 (64) 1.79 (1.30–2.46) 12.84 0.013 <0.001
PTB-CXR (%) 346 (93) 0 (0) NA NA NA <0.001
  1. N number of TB suspects in the group, NA not applicable