Table 1 Baseline characteristics of enrolled patients.

From: Low levels of serum albumin and blood basophils as 10-year mortality predictors in a nationwide Korean COPD cohort

 

Total (n = 1,878)

Age

68.8 ± 7.9

Sex (male, %)

1,733 (92.3%)

Height (cm)

164.5 ± 6.8

Weight (kg)

63.2 ± 10.5

BMI

23.3 ± 3.4

TB history (missing = 5)

426 (22.7%)

Smoking status (missing = 3)

 

Never smoker

197 (10.5%)

Ever smoker

1,193 (63.6%)

Current smoker

485 (25.9%)

Living area (missing, n = 18)

 

Large city

1,102 (59.2%)

Med-small city

426 (22.9%)

Rural

332 (17.8%)

FVC (L)

3.3 ± 0.8

Predicted FVC (%)

79.5 ± 16.8

FEV1 (L)

1.7 ± 0.6

Predicted FEV1 (%)

58.4 ± 18.9

FEV1/FVC ratio (%)

51.7 ± 12.2

mMRC (missing, n = 2)

1.2 ± 0.9

CAT score (missing, n = 16)

13.5 ± 8.1

SGRQ-c total score (missing, n = 21)

29.1 ± 20.8

Six-minute walk test (m) (missing, n = 436)

385.7 ± 116.1

Past history of exacerbation (missing, n = 737)

201 (17.6%)

CCI total score (missing, n = 678)

0

864 (72.0%)

1

308 (25.7%)

2

21 (1.8%)

3

7 (0.6%)

  1. Data are presented as mean ± standard deviation.
  2. TB, tuberculosis; BMI, body mass index; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 s; mMRC, modified Medical Research Council Dyspnea Scale; CAT, COPD assessment test; SGRQ-C, St. George’s Respiratory Questionnaire for COPD patients; CCI, Charlson Comorbidity Index.