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Table 1 Characteristics of patients in the non-COPD and COPD groups

From: Preoperative inhalation therapy for patients with chronic obstructive pulmonary disease undergoing lung surgery: a retrospective study

Characteristics

Non-COPD

Group (n = 193)

COPD

Group (n = 241)

p value

Sex

(male/female)

85/108

198/43

 < 0.0001

Age

(years)

67.81 ± 0.58

71.51 ± 0.52

 < 0.0001

Hypertension

( +)/(–)

91/102

136/105

0.066

Diabetes mellitus

( +)/(–)

40/153

49/192

1.00

Smoking

( +)/(–)

80/113

205/36

 < 0.0001

Intervention Period

(days)

23.65 ± 0.93

23.47 ± 0.83

0.886

VC

(mL)

2993.68 ± 52.69

3272.61 ± 47.16

 < 0.0001

%VC

(%)

109.30 ± 1.24

107.59 ± 1.11

0.308

FEV1.0

(mL)

2325.60 ± 37.44

2016.43 ± 33.50

 < 0.0001

%FEV1.0

(%)

117.04 ± 1.54

94.31 ± 1.38

 < 0.0001

FEV1.0%

(%)

78.63 ± 0.49

62.26 ± 0.44

 < 0.0001

%DLco

(%)

119.65 ± 2.17

106.33 ± 1.91

 < 0.0001

Pathology

Ad

157

138

 < 0.001

Sq

21

66

Other

8

37

Surgical procedure; Lobectomies

 LUL

 

34

48

0.485

 LLL

 

32

34

 RUL

 

53

77

 RLL

 

36

48

 RML

 

16

9

Surgical procedure; Reduction surgery and enlargement surgery

 Segmentectomy

 

19

22

 Extended Surgery

 

3

4

  1. Values are shown as numbers or mean ± standard deviation. P < 0.05 indicates statistical significance