Variables

stratification

Total Score

SD Grade 1

SD Grade 2

SD Grade 3

0- 3

4-12

≧ 13

N = 92

N = 78

N = 36

P value

Age

(mean ± sd)

49.5 ± 13.3

53.9 ± 13.8

59.5 ± 14.3

0.001^*

Sex (n, %)

Male

32

34.8

32

41

25

69.4

0.002^*

Female

60

65.2

46

59

11

30.6

Cholecystitis Grade (n, %)

I: Mild

71

80.7

27

36.5

3

8.3

-

II: Moderate

17

19.3

45

60.8

30

83.3

III: Severe

0

0

2

2.7

3

8.3

Score

1.GB

(mean ± sd)

0.4 ± 0.6

2.4 ± 1.3

5.8 ± 2.1

< 0.001^*

2.Calot’s Triangle

(mean ± sd)

0.4 ± 0.5

2.5 ± 1.2

6.3 ± 1.7

< 0.001^*

3.Liver Bed

(mean ± sd)

0.3 ± 0.5

2.1 ± 1.1

5.6 ± 1.7

< 0.001^*

Op type (n, %)

Elective

92

100

68

87.2

25

69.4

< 0.001^*

Emergency

0

0

10

12.8

11

30.6

Cholecystectomy time (min.)

(mean ± sd)

23.9 ± 11.5

41.5 ± 23.6

74.3 ± 32.1

< 0.001^*

Drainage (n, %)

No

92

100

67

85.9

32

88.9

< 0.001^*

Yes

0

0

11

14.1

4

11.1

Bleeding (n, %)

< 100 ml

92

100

75

96.2

27

75

-

≧100 ml

0

0

3

3.8

9

25