Table 2. Comparison of wound metrics and overall problems between research groups at day 1.

Variable	GROUP 1		GROUP 2		GROUP 3		Chi square	P value
	Present	Absent	Present	Absent	Present	Absent
Bleeding	20	50	28	42	40	30	15	0.001*
Pain	22	48	30	40	35	35	6.5	0.05
Swelling	10	60	18	52	32	38	21.5	0.010*
Gut flora	2	68	8	62	12	58	1.2	0.010*
*Statistically significant