Table 4. Frequency distribution of the findings from 118 positive cultures of the foot lesions of diabetic patients in relation to treatment.

Culture findings	Minor amputation		Major amputation		Total
	n	%	n	%	n	%
Gram-positive bacteria	10	16.1*	21	37.5*	31	26.3
Gram-negative bacteria	24	38.7	15	26.8	39	33.1
Anaerobic bacteria	1	1.6	0	–	1	0.8
Mixed	27	43.6	20	35.7	47	39.8
Total	62	100.0	56	100.0	118	100.0

^* χ² Test, minor versus major amputation in relation to Gram-positive bacteria, degrees of freedom = 3, χ² = 7.92 (significant), OR = 2.4.