Table 2.

The rate of major amputation according to foot characteristics

Foot characteristics	Major amputation				Total number of DFS		P-value
	No		Yes
	n	%	n	%	n	%
History of foot problem							0.72
No	128	91.4	12	8.6	140	62.2
Yes	71	83.5	14	16.5	85	37.8
History of problem in the other foot							0.14
No	132	91	13	9.0	145	61.7
Yes	76	84.4	14	15.6	90	38.3
Ulcer at presentation							0.243
No	106	86.2	17	13.8	123	54.7
Yes	93	91.2	9	8.8	102	45.3
Gangrene at presentation							0.000
No	145	93.5	10	6.5	155	68.9
Yes	54	77.1	16	22.9	70	31.1
Ischemia							0.002
No	101	95.3	5	4.7	106	47.1
Yes	98	82.4	21	17.6	119	52.9
Diabetic neuropathy							0.224
No	94	91.3	9	8.7	103	45.8
Yes	105	86.1	17	13.9	122	54.2
Clinical evidence of infections							0.996
No	46	88.5	6	11.5	52	23.1
Yes	153	88.4	20	11.6	173	76.9
Components							0.000
One	140	100	0	0.0	49	21.8
Two	10	87.5	20	12.5	160	71.1
Three	49	62.5	6	37.5	16	7.1
Wagner’s grade							0.003
Grade 2	41	95.3	2	4.7	43	19.1
Grade 3	68	90.7	7	9.3	75	33.3
Grade 4+5	54	77.1	16	22.9	70	31.1
Unclassified	36	97.3	1	2.7	37	16.4

Abbreviation: DFS, diabetic foot syndrome.