Table 2

Factors associated with conversion to open surgery

Bivariate analysis

Multivariate analysis

OR(CI)

P value

OR(CI)

P value


Sex(referent: male sex)

0.65(0.39–1.11)

0.1138

0.81(0.44–1.47)

0.4835

Experience of surgeon

2.71(1.47–4.99)

0.0014

2.28(1.19–4.38)

0.013

Emergency surgery

0.58(0.31–1.09)

0.0922

0.44(0.22–0.88)

0.0202

Previous laparotomy

2.06(1.29–3.29)

0.0026

1.72(1.01–2.93)

0.045

Concurrent disease

1.73(1.07–2.79)

0.0256

1.46(0.85–2.51)

0.1755

Smoking

2.57(1.39–4.75)

0.0026

1.82(0.82–4.05)

0.1412

Drinking

1.68(0.57–4.97)

0.3472

0.75(0.17–3.29)

0.7082

pericholecystic edema

7.66(1.68–34.84)

0.0084

4.94(0.72–33.93)

0.1046

CBD stone

5.26(1.92–14.4)

0.0012

6.91(1.55–30.8)

0.0112

Gallbladder thickening

3.11(1.91–5.06)

0

1.77(0.99–3.15)

0.0526

Age

1.01(1–1.03)

0.0566

1.01(1–1.03)

0.1523

Body Temperature

2.14(1.34–3.41)

0.0015

1.94(1.1–3.41)

0.0217

WBC

1(1-1)

0

1(1–1)

0.0051

bilirubin

1.03(0.92–1.15)

0.6258

0.65(0.43–0.99)

0.0443

alkaline phosphatase

1(1-1)

0.0001

1(1–1)

0.0012

CBD diameter

1.14(1.03–1.26)

0.0087

1(0.87–1.14)

0.9863


OR (CI) represents Odds Ratio and 95% confidence intervals

Gholipour et al. BMC Surgery 2009 9:13   doi:10.1186/1471-2482-9-13

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