highly significantP < 0.001
The duration before drain removal was shorter in the intervention group (9 days, range 7–20) than the control group (11 days, range 9–18), and the difference was highly significant ( P < 0.001).
The duration before drain removal was shorter in the intervention group (9 days, range 7–20) than the control group (11 days, range 9–18), and the difference was highly significant ( P < 0.001).