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Table 1 Demographics and comorbidities

From: Postoperative pulmonary complications with adjuvant regional anesthesia versus general anesthesia alone: a sub-analysis of the Perioperative Research Network study

Patient Characteristics

RA + GA (n = 266)

GA (n = 936)

adjusted P-value for site clusters

Age, years

63.6 (11.5)

61.7 (14.3)

0.0177

Women

131 (49.2)

435 (46.5)

0.3940

Body Mass Index, kg/m2

29.1 (6.5)

30.2 (7.8)

0.0583

Cerebrovascular Disease

12 (4.5)

91 (9.7)

0.0606

Neurological Disease

36 (13.5)

229 (24.5)

0.0112

Hypertension

178 (66.9)

612 (65.4)

0.2890

Coronary Artery Disease

56 (21.1)

190 (20.3)

0.6606

Cardiac Valvular Disease

13 (4.9)

59 (6.3)

0.4424

Heart Failure

12 (4.5)

56 (6.0)

0.3745

Chronic Obstructive Pulmonary Disease

21 (7.9)

82 (8.8)

0.7469

Asthma

43 (16.2)

129 (13.8)

0.2554

Obstructive Sleep Apnea

42 (15.8)

192 (20.5)

0.2044

Current Smoking

32 (12.0)

129 (13.8)

0.3056

Former Smoking

120 (47.1)

358 (40.5)

0.1409

Cancer

146 (54.9)

353 (37.7)

0.0050

Gastro-Esophageal Reflux Disease

113 (42.5)

318 (34.0)

0.0501

Renal Disease

48 (18.0)

197 (21.0)

0.6283

Chronic Renal failure

24 (9.0)

114 (12.2)

0.3505

Liver Disease

37 (13.9)

109 (11.7)

0.1787

Diabetes Mellitus

74 (27.8)

227 (24.3)

0.1974

Thyroid Disease

38 (14.3)

161 (17.2)

0.4805

Alcohol Abuse

17 (6.4)

75 (8.0)

0.5263

(Data are presented as average (SD) or number (% of respective column), as appropriate)