a clear trendp = 0.053
The incidence of cholangitis was 52.7% (39/74) in de novo group and 37.3 % (31/83) in the exchange group, with a clear trend to statistical significance ( p = 0.053).
The incidence of cholangitis was 52.7% (39/74) in de novo group and 37.3 % (31/83) in the exchange group, with a clear trend to statistical significance ( p = 0.053).