Table 4

Predictors of pulmonary tuberculosis (PTB) among subjects identified as having cough and provided one or more sputum samples among residents of two peri-urban neighbourhoods in Karachi, May 2002-November 2002; (n = 114)

Variable
n*
PTB+(%)
Crude OR**
95% CI**

Blood in sputum




     Yes
32
5 (15.6)
0.98
0.27 – 3.36
     No
82
13 (15.9)
1.00
-
Night sweat




     Yes
43
7 (16.3)
1.06
0.33 – 3.31
     No
71
11 (15.5)
1.00
-
Weight loss




     Yes
78
11 (14.1)
0.68
0.22 – 2.18
     No
36
7 (19.4)
1.00
-
Presently has fever




     Yes
55
8 (14.6)
0.83
0.27 – 2.55
     No
59
10 (17.0)
1.00
-
Loss of appetite in last two months




     Yes
76
12 (15.8)
1.00
0.31 – 3.33
     No
38
6 (15.8)
1.00
-
Feeling of increased fatigue




     Yes
92
13 (14.1)
0.56
0.16 – 2.09
     No
22
5 (22.7)
1.00
-

* n = total in given category of the variable

** OR = odds ratio; CI = confidence interval

Akhtar et al. BMC Public Health 2007 7:70   doi:10.1186/1471-2458-7-70