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Table 1 Demographic data for the patients

From: Short-term effects of mobilization on oxygenation in patients after open surgery for pancreatic cancer: a randomized controlled trial

Demographic variable

Measure or unit

Same-day mobilization group

n = 40

Next-day mobilization group

n = 40

p-value between groups

Age

Years

66.8 (8.0)

68.0 (10.2)

0.560

Sex

Male

26 (65)

19 (48)

0.176

Body mass index

kg/m2

25.3 (4.2)

25.3 (4.1)

0.977

Lung disease

Yes

2

0

0.494

Smoking history

Yes

24 (60)

30 (75)

0.334

No

6 (15)

3 (8)

Ex-smoker*

10 (25)

7 (18)

Heart disease

Yes

0

0

n.a

American Society Anesthesiology risk classification, 1–5: 1 = slight, 2 = minimal, 3 = moderate

1

11 (28)

9 (22)

0.160

2

24 (60)

19 (48)

3

5 (12)

12 (30)

WHO, preoperative performance score

Asymptomatic, n

23

22

0.664

Symptomatic, ambulant, n

14

9

Symptomatic, < 50% in bed, n

0

3

Symptomatic, > 50% in bed, n

0

2

Missing, n

3

4

Preoperative chemotherapy

Treatment, n

2

4

0.432

Tumor classification

T1/T2/T3/T4, n

2/7/12/12

0/10/14/5

0.337

N0/N1/N2, n

13/13/6

10/12/11

0.389

M0, n

33

32

n.a

Missing or benign, n

7

8

Surgery type

Whipple, n

36

35

0.737

Total pancreatectomy, n

4

5

Length of surgery

Hours

6.5 (1.3)

7.2 (1.8)

0.065

Length of anesthesia

Hours

8.0 (1.5)

8.8 (1.9)

0.045

Vascular resection

None, n

33

27

0.322

Venous wedge, n

2

7

Venous end-to-end, n

4

5

Arterial + venous

1

1

Perioperative vasoactive drugs

Number of patients, n

40

40

1.000

  1. Mean (SD) or number (%). n.a. non applicable
  2. *Cessation of smoking > 8 weeks prior the surgery