Table 3.

Comparison of mean FLACC score for pain between different study groups

	N	Mean	Std. deviation	Std. error	95% confidence interval for mean		Minimum	Maximum
					Lower bound	Upper bound
1	15	1.47	1.407	0.363	0.69	2.25	0	5
2	15	5.40	3.180	0.821	3.64	7.16	2	10
3	15	2.27	1.534	0.396	1.42	3.12	0	4
4	15	1.80	1.424	0.368	1.01	2.59	0	5
Total	60	2.73	2.530	0.327	2.08	3.39	0	10