Table 5.

Comparing the healing rate for the first 2 weeks for the treatment groups and swab results

Colony	Degree of growth	n		Mean rank		Mann–Whitney U test
		Silver	Iodine	Silver	Iodine
Leukocytes	Nil/scant/low	116	110	124·02	102·40	5159·50 **
	Mod/high	16	17	18·69	15·41	109·00
Gram + bacilli	Nil/scant/low	90	90	99·53	81·47	3237·00 *
	Mod/high	5	1	3·80	2·00	†
Gram – bacilli	Nil/scant/low	62	64	67·97	59·17	1707·00
	Mod/high	43	32	40·60	34·50	576·00
Gram + cocci	Nil/scant/low	72	73	82·62	63·51	1935·00 **
	Mod/high	41	35	40·56	36·09	633·00
Gram – cocci	Nil/scant/low	87	83	93·88	76·72	2881·50 *
	Mod/high	–	–	–	–	–

^*Significant at < 0·05,

^**Significant at < 0·01,

^†Sample too small for analysis.