a significant trendP = 0.019
In the order of A, B, and C groups, duration of air leaks gradually decreased and a significant trend was observed ( P = 0.019 by the Jonckheere-Terpstra test).
In the order of A, B, and C groups, duration of air leaks gradually decreased and a significant trend was observed ( P = 0.019 by the Jonckheere-Terpstra test).