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Table 1 Characteristics of Study Population, by Tuberculosis Culture Status

From: Sensitivity of direct versus concentrated sputum smear microscopy in HIV-infected patients suspected of having pulmonary tuberculosis

Characteristic Total
(n = 279)
Culture-positive
(n = 170)
Culture-negative
(n = 109)
p-value
Female gender, n (%) 166 (60) 98 (58) 68 (62) 0.46
Age, median (IQR) 34 (27–40) 33 (27–40) 34 (28–40) 0.88
Education beyond primary level, n (%) 97 (35) 61 (36) 36 (33) 0.70
CD4 count, median (IQR) (n = 274) 49 (15–169) 33 (12–115) 101 (31–219) < 0.0001
Antiretroviral use on admission, n (%) 42 (15) 24 (14) 18 (17) 0.37
Mortality, n (%)     
   In hospital (n = 279) 23 (8) 13 (8) 10 (9) 0.66
   Two-month (n = 241) 65 (27) 43 (30) 22 (23) 0.30
Clinical presentation, n (%)     
   Fever/chills/sweats 262 (94) 158 (93) 104 (95) 0.45
   Weight loss 265 (95) 167 (98) 98 (90) 0.003
   Hemoptysis 68 (28) 31 (21) 37 (40) 0.001
  1. IQR, interquartile range