Table 3.

Age-adjusted charlson comorbidity index and perioperative complications based on surgical complexity

Surgical Complexity Score	Total Patients n (%)	ACCI	Patients n (%)	Grade 1–2 (Minor) Complications n (%)	p	Grade 3 (Major) Complications n (%)	p
≤3 (Low)	150 (27%)	0 – 1	40 (27%)	21/40 (52%)	0.64	6/40 (15%)	0.29
		2 – 3	70 (46%)	35/70 (50%)		6/70 (9%)
		≥4	40 (27%)	17/40 (43%)		2/40 (5%)
4 – 7 (Intermediate)	255 (45%)	0 – 1	104 (41%)	48/104 (46%)	0.61	11/104 (11%)	0.49
		2 – 3	112 (44%)	56/112 (50%)		14/112 (13%)
		≥4	39 (15%)	16/39 (41%)		7/39 (18%)
≥8 (High)	162 (29%)	0 – 1	55 (34%)	24/55 (44%)	0.67	19/55 (35%)	0.99
		2 – 3	89 (55%)	35/89 (39%)		30/89 (34%)
		≥4	18 (11%)	9/18 (50%)		6/18 (33%)

ACCI: Age-adjusted charlson comorbidity index