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Table 1 Demographic and perioperative data of patients who underwent open cholecystectomy (OC) or laparoscopic cholecystectomy (LC) in 2002 – 2007

From: Bleeding complications in cholecystectomy: a register study of over 22 000 cholecystectomies in Finland

 

LC

OC

p

n = 17175 (%)

n = 4942 (%)

Males/females

4702/12473 (27/73)

2429/2513 (49/51)

<0.001

Mean age ± SD (range)

52 ± 15 (16 – 94)

63 ± 15 (16 – 97)

<0.001

ASAa I

5842 (34.0)

673 (13.6)

<0.001

   II

6424 (38.0)

1564 (31.6)

<0.001

   III

2753 (16.0)

1756 (35.5)

<0.001

   IV

183 (1.1)

409 (8.3)

<0.001

   V

0 (0.0)

31 (0.6)

<0.001

Elective/emergency

15114/2018b (88/12)

1870/3039c (38/62)

<0.001

Mean operative time ± SD (min)

70 ± 37

99 ± 50

<0.001

Intraoperative cholangiography

862 (5.0)

1009 (20.0)

<0.001

Common bile duct exploration

156 (0.9)

369 (7.5)

<0.001

In-hospital mortality

59 (0.3)

122 (2.5)

<0.001

Length of hospital stay ± SD (d)

2.8 ± 2.4

8.0 ± 4.7

<0.001

  1. aASA American Society of Anaesthesiologists, SD Standard deviation
  2. aData missing from 1974 patients in the LC group and 509 patients in the OC group
  3. bData missing from 43 patients
  4. cData missing from 33 patients