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Table 2 Perioperative variables of patients with or without PPCs

From: Accumulative occlusion time correlates with postoperative pulmonary complications in patients undergoing pelvic and sacrum tumor resection assisted by abdominal aortic balloon occlusion: a retrospective cohort study

Variables

Overall (n = 584)

With PPCs (n = 91)

Without PPCs (n = 493)

P value

Age (y)

45.5 (31–55)

51 (36–62)

44 (30–54)

<  0.001

Gender, male (%)

307 (52.6%)

43 (47.3%)

264 (53.6%)

0.269

BMI

23.0 (20.3–25.3)

23.0 (20.0–25.7)

22.9 (20.4–25.1)

0.775

ASA grade

   

0.001

 Grade I (%)

158 (27.1%)

15 (16.5%)

143 (29.0%)

 

 Grade II (%)

388 (66.4%)

63 (69.2%)

325 (65.9%)

 

 Grade III (%)

38 (6.5%)

13 (14.3%)

25 (5.1%)

 

Pulmonary co-morbidities (%)

63 (10.8%)

12 (13.2%)

51 (10.3%)

0.422

Current smoker (%)

64 (11.0%)

14 (15.4%)

50 (10.1%)

0.141

Preoperative Albumin (g/L)

41.3 (38.8–44)

40.7 (37.1–43.3)

41.4 (39.0–44.1)

0.066

Preoperative Hemoglobin (g/L)

130 (118–142)

128 (113–142)

130 (119–142)

0.307

Estimated blood loss (L)

1.5 (0.8–2.5)

2.15 (1.0–3.9)

1.5 (0.8–2.2)

<  0.001

Duration of surgery (h)

4.1 (3.2–5.6)

5.2 (3.5–7.1)

4.0 (3.1–5.3)

<  0.001

Accumulative occlusion time (min) occlusion time (min)

80 (58–104.5)

91 (66–129)

77 (57–102)

<  0.001

≥ 119 min (%)

85 (14.6%)

29 (31.9%)

56 (11.4%)

< 0.001

Length of stay (d)

22 (18–28)

27 (20–36)

22 (18–27)

< 0.001

  1. The data are presented as the median (25–75% interquartile range) or number (percentage)
  2. Abbreviation: PPCs postoperative pulmonary complications, BMI body mass index, ASA American Society of Anesthesiologists