Table 1 The clinical characteristics of the included elderly patients with pulmonary tuberculosis (TB).

Sex

 Male

195 (78.31)

 Female

54 (21.69)

Age, years

65 (60–69)

Height, cm

163 (158–168)

Weight, kg

54 (48–61)

Body mass index, kg/m ²

20.29 (18.22–22.81)

Smoking

129 (51.81)

Alcohol use

73 (29.32)

Marital status

 Unmarried

5 (2.01)

 Married

212 (85.14)

 Divorced or widowed

32 (12.85)

District

 Rural

178 (71.49)

 County

71 (28.51)

Underlying disease

 Respiratory disease

114 (45.78)

 Cardiovascular disease

27 (10.84)

 Hypertension

48 (19.28)

 Diabetes mellitus

55 (22.09)

Disease duration (years)

 <1

173 (69.48)

 1–3

26 (10.44)

 ≥3

50 (20.08)

Tuberculosis

 Initial treatment for TB

221 (88.76)

 Retreatment for TB

19 (7.63)

 Drug-resistant TB

9 (3.61)

Cavitary lung lesions

62 (24.90)

Lesion number ≥ 3

203 (81.53)

AFB smear (+)

119 (47.79)

Albumin (g/L)

34.67 ± 4.85

Hemoglobin (g/L)

125.65 ± 17.30

Platelet (10 ⁹ /L)

239.00 ± 92.28

Ventilatory dysfunction

 Obstructive

151 (60.64)

 Restrictive

17 (6.83)

 Mixed

81 (32.53)

FEV1, % predicted

50.76 ± 18.24

FVC, % predicted

57.06 ± 20.72

FEV1/FVC, %

84.39 ± 16.84