Table 3: Effect of operative time on post operative swelling and Trismus.

Operative Time/Minutes		Swelling/mm			Mouth opening/mm
		Day2	Day5	Day7	Day2	Day5	Day7
≤20	Mean	6.40	2.34	0.16	28.96	35.56	41.52
	N	25	25	25	25	25	25
	Std.Deviation	1.29	0.72	0.40	3.39	2.55	1.58
21-26	Mean	6.75	2.40	0.31	25.77	33.05	40.33
	N	54	54	54	54	54	54
	Std.Deviation	1.09	0.78	0.47	3.65	3.80	1.62
27-32	Mean	7.45	2.93	0.37	24.02	31.25	40.28
	N	52	52	52	52	52	52
	Std.Deviation	1.09	0.74	0.47	3.07	3.13	1.52
33-38	Mean	7.70	2.98	0.57	22.73	30.57	40.26
	N	19	19	19	19	19	19
	Std.Deviation	1.34	0.79	0.58	3.10	2.94	1.32
Total	Mean	7.05	2.65	0.34	25.31	32.53	40.50
	N	150	150	150	150	150	150
	Std.Deviation	1.23	0.80	0.49	3.84	3.64	1.60
	P value	0.002	0.020	0.064	0.000	0.000	Unidentified