Variables | EST/EPLBD (Group I) | EST (Group II) | Test χ2/t | P value | ||
---|---|---|---|---|---|---|
Sex | N | % | N | % | ||
Male | 38 | 38.00 | 43 | 43.00 | 0.519 | 0.471 |
Female | 62 | 62.00 | 57 | 57.00 | ||
Age | ||||||
Range | 19–82 | 23–83 | 0.217 | 0.828 | ||
Mean ± SD | 50.7 ± 17.18 | 50.190 ± 16.025 | ||||
CBD diameter (mm) | ||||||
Range | 9.7–40 | 10–34 | 1.278 | 0.203 | ||
Mean ± SD | 18.6 ± 7.4 | 17.5 ± 5.02 | ||||
CBDSs number | ||||||
One | 47 | 47.00 | 39 | 39.00 | 1.317 | 0.518 |
Two | 17 | 17.00 | 19 | 19.00 | ||
≥ Three | 36 | 36.00 | 42 | 42.00 | ||
CBDSs size (mm) | ||||||
< 5 | 11 | 11.00 | 23 | 23.00 | 5.873 | 0.053 |
6–9 | 9 | 9.00 | 11 | 11.00 | ||
≥ 10 | 80 | 80.00 | 66 | 66.00 | ||
Range | 3–32 | 3–26 | 1.768 | 0.051 | ||
Median | 13.5 | 14 | ||||
Periamullary diverticulum | 23 | 23.00 | 19 | 19.00 | 0.482 | 0.487 |