Table 1 Characteristics of discovery cohort subjects.

From: Different expression of circulating microRNA profile and plasma SP-D in Tibetan COPD patients

 

Control group

COPD group

P-value

Age (years)

64.00 ± 3.54

71.80 ± 9.58

t = 1.709

0.126

Gender (cases/%)

  

X2 = 0.476

0.490

Male

3 (40%)

4 (60%)

  

Female

2 (60%)

1 (40%)

  

Smoking history (n/%)

  

X2 = 0.400

0.527

Yes

2(40.00)

3(60.00)

  

No

3(60.00)

2(40.00)

  

FEV1% predicted (%)

85.22 ± 4.15

47.94 ± 11.56

t = 6.786

0.001

FEV1/FVC (%)

82.35 ± 5.34

52.68 ± 8.68

t = 6.511

0.000