Table 2: Distribution according to postoperative hospital stay between conventional and laparoscopic cholecystectomy in patients with biliary tract lithiasis. N = 312.

Hospital

stay

(h)

Cholecystectomy

Total

Conventional

Laparoscopic

n

%

n

%

N

%

< 24

0

0.00

2

0.64

2

0.64

24 a 48

3

0.96

256

82.05

259

83.01

48 a 72

22

7.05

17

5.45

39

12.50

> 72

9

2.88

3

0.96

12

3.85

Total

34

10.90

278

89.10

379

100.00

Statistical value 13.259, critical value 16.114,

p = 0.021 (significant), gl (degrees of freedom) 4.