Table 1.
Baseline patient’s characteristics in older and younger tuberculosis patients
| Characteristics | Older (n = 199) | Younger (n = 271) | p-value |
|---|---|---|---|
| Gender, male |
100 (51) |
169 (62) |
0.011 |
| Age, median (IQR) |
72 (68–76) |
44 (32–55) |
|
| BMI, kg/m2 |
21.75 ± 3.59 |
21.96 ± 3.22 |
0.420 |
| Ever smoking |
87 (44) |
129 (48) |
0.454 |
| Respiratory symptoms in pulmonary TB* |
n = 173 |
n = 222 |
|
| Cough |
118 (68) |
131 (59) |
0.076 |
| Sputum |
98 (57) |
106 (48) |
0.098 |
| Dyspnea |
39 (23) |
30 (14) |
0.027 |
| Hemoptysis |
20 (12) |
41 (19) |
0.081 |
| Weight loss |
5 (3) |
23 (9) |
0.785 |
| General weakness |
13 (7) |
22 (8) |
0.661 |
| Fever |
24 (12) |
38 (14) |
0.644 |
| Night sweating |
0 (0) |
5 (2) |
0.144 |
| History of previous TB |
31 (16) |
32 (12) |
0.275 |
| Comorbid conditions** |
|
|
|
| Cardiovascular disease† |
75 (38) |
24 (9) |
<0.001 |
| Diabetes mellitus |
43 (22) |
32 (12) |
0.006 |
| COPD |
20 (10) |
4 (2) |
<0.001 |
| Chronic kidney disease |
1 (1) |
3 (1) |
0.848 |
| Chronic liver disease‡ |
10 (5) |
15 (6) |
0.982 |
| Malignancy | 9 (5) | 9 (3) | 0.661 |
The data are presented mean ± standard deviation for age and pack-years of smoking and as n (%) for all other factors.
BMI = body mass index, COPD = chronic obstructive pulmonary disease, IQR = interquartile range, TB = tuberculosis.
*: Pulmonary tuberculosis and pulmonary and extrapulmonary tuberculosis were included.
**: If there were more than one comorbid condition for one patient, all comorbid conditions were recorded.
†: Hypertension and cerebrovascular disease are included.
‡: Hepatitis and liver cirrhosis are included.