Table 1 Preoperative characteristics of patients with cavitary pulmonary TB

 Male

99

59

0.62

 Female

30

15

Age (y, mean ± SD)

50.1 ± 12.6

47.5 ± 11.7

0.14

 Primary treated

81

52

0.28

 Retreated

48

22

Culture positive in sputum (N)

9

2

0.19

Chemotherapy time (months, mean ± SD)

5.8 ± 3.0

5.6 ± 2.7

0.20

Multidrug resistance (N)

11

1

0.04*

Lesion diameter (cm, mean ± SD)

2.45 ± 0.90

2.12 ± 0.69

0.13

Cavity diameter (cm, mean ± SD)

1.01 ± 0.73

0.58 ± 0.49

< 0.001*

 Cough

22

18

0.21

 Chest pain

11

8

0.59

Expectoration

13

12

0.20

Haemoptysis

10

5

0.79

 Chest distress

4

4

0.41

 Fever

7

3

0.66