Duration (minutes)

Study group

Bilateral control group

p-value

Operations, n

3228

2427

Change time between patients, median (lower quartile, upper quartile) [missing data, n, %]

6,00 (4,00, 12,00) [1459, 45,20]

Selitys: privaattileikkauksissa puuttuu

Preparation time before surgery, median (lower quartile, upper quartile) [missing data, n, %]

15,00 (12,00, 20,00) [1, 0,03]

16,00 (13,00, 19,00) [0, 0,00]

<0,001*^a)

Finishing time after surgery, median (lower quartile, upper quartile) [missing data, n, %]

5,00 (3,00, 5,00) [6, 0,19]

4,00 (3,00, 5,00) [0, 0,00]

<0,001*^a)