group | Number of cases (n) | Infection (n) | Bleeding (n) | Biliaryfistula (n) | Cardiac complications (n) | Total complication rate [n (%)] |
Study group | 45 | 2 | 2 | 0 | 0 | 4 |
Control group | 45 | 4 | 6 | 2 | 0 | 12 |
x2 | 4.865 | |||||
P | 0.027 |