Table 1 Clinical characteristics and demographic

Age, n (%)

≥ 60 years

85(61.5)

77(50.0)

3.961^a

< 60 years

53(38.5)

77(50.0)

Gender, n (%)

Male

49(35.5)

52(33.8)

0.098^a

Female

89(64.5)

102(66.2)

Preoperative lung function

FEV1(L)

2.22 ± 0.45

2.24 ± 0.46

-0.160^b

FVC(L)

2.79 ± 0.53

2.82 ± 0.49

-0.390^b

FENO (ppb)

34(19,40)

18(13,24)

-8.075^c

Past medical history, n (%)

Hypertension

41(29.7)

43(27.9)

0.114^a

Coronary heart disease

6(4.3)

6(3.9)

0.038^a

Diabetes mellitus

27(19.6)

19(12.3)

2.705^a

COPD

20(14.5)

16(10.4)

1.134^a

Smoking history

25(18.1)

24(15.6)

0.334^a

Duration of anesthesia (min)

195(160,230)

170(140,200)

-4.253^c

Surgical side, n (%)

Right

81(58.7)

88(57.1)

0.072^a

Left

57(41.3)

66(42.9)

Extent of surgery, n (%)

Lobectomy

72(52.2)

75(48.7)

0.351^a

Sublobectomy

66(47.8)

79(51.3)

Pathology, n (%)

Adenocarcinoma

133(96.4)

148(96.1)

0.015^a

Squamous carcinoma

5(3.6)

6(3.9)

0.015^a

AIS or MIA

59(42.8)

85(55.2)

4.507^a