Table 7.

Select cases between groups

BASIC	Complication rate	p value	OR	CI
Short-term complications
I vs. III	10.2 vs. 20.6	0.001	2.291	1.374–3.822
I vs. II	10.2 vs. 14.9	0.024	1.544	0.056–2.257
II vs. III	14.9 vs. 20.6	0.185	1.484	0.826–2.666
Overall complications
I vs. III	13.5 vs. 31.4	<0.001	2.922	1.870–4.567
I vs. II	13.5 vs. 21.6	0.001	1.757	1.263–2.444
II vs. III	21.6 vs. 31.4	0.049	1.663	0.999–2.767

Severe complications
I vs. III	7.2 vs. 15.3	0.004	2.330	1.292–4.202
I vs. II	7.2 vs. 13.0	0.002	1.931	1.270–2.935
II vs. III	13.0 vs. 15.3	0.575	1.207	0.625–2.329

Bold values indicate statistical analysis at p < 0.05