Table 3.

Association between modified frailty index and adverse perioperative outcomes.

	N	Clavian IV complication	Wound complication	Any complication	Mortality
All patients
0	44,045	0.98	2.41	3.71	0.06
0 to 0.09	9341	1.55	3.04	4.79	0.27
0.1 to 0.19	2555	2.97	5.21	6.69	0.23
0.2 to 0.29	7930	2.03	3.44	5.09	0.25
0.3 to 0.49	2110	3.74	4.98	8.01	0.57
≥0.5	124	7.26	4.84	14.52	3.23
P-value		<0.001	<0.001	<0.001	<0.001
Denominator ≥6 *
0	25,610	0.91	2.40	3.71	0.04
0 to 0.09	9341	1.55	3.04	4.79	0.27
0.1 to 0.19	2555	2.97	5.21	6.69	0.23
0.2 to 0.29	356	4.78	5.90	9.55	1.12
0.3 to 0.49	72	12.50	9.72	19.44	5.56
≥0.5	1	100.00	0.00	100.00	0
P-value		<0.001	<0.001	<0.001	<0.001

^*Denotes that data for ≥6 of the variables in the denominator for the mFI were available.