Table II.

Description of treated diabetic limbs stratified by quartile of estimated likelihood of benefit of revascularization

Variable	Overall	Q1 (highest benefit)	Q2 (moderate benefit)	Q3 (low benefit)	Q4 (questionable benefit)	P value
Limbs treated, No.	187 (100)	51 (27.3)	59 (31.6)	38 (20.3)	39 (20.9)	NA
WIfI stage						<.001
1	12 (6.4)	0 (0)	0 (0)	11 (29.0)	1 (2.6)
2	18 (9.6)	0 (0)	7 (11.9)	9 (23.7)	2 (5.1)
3	45 (24.1)	18 (35.3)	10 (17.0)	16 (42.1)	1 (2.6)
4	112 (59.9)	33 (64.7)	42 (71.2)	2 (5.3)	35 (89.7)
Revascularization approach						.09
Endovascular	125 (66.8)	37 (72.6)	32 (54.2)	29 (76.3)	27 (69.2)
Open surgery	62 (33.2)	14 (27.5)	27 (45.8)	9 (23.7)	12 (30.8)

NA, Not applicable; Q, quartile; WIfI, Wound, Ischemia, and foot Infection.

Data presented as number (%).