Table 3.

Comparison of AM in different groups.

	Group(I)	Group(J)	Mean difference(I–J)	Standard error	P value	95% Confidence interval
						Lower limit	Lower limit
LSD	1	2	−13.4	7.79	.128	−31.9	4.97
		3	−18.1	7.79	.053	−36.5	.35
		4	−21.1*	8.71	.046	−41.7	−.52
	2	1	13.4	7.79	.128	−4.97	31.9
		3	−4.62	7.79	.572	−23.1	13.8
		4	−7.67	8.71	.408	−28.3	12.9
	3	1	18.1	7.79	.053	−.35	36.5
		2	4.62	7.79	.572	−13.8	23.0
		4	−3.05	8.71	.737	−23.6	17.5
	4	1	21.1*	8.71	.046	.52	41.7
		2	7.67	8.71	.408	−12.9	28.3
		3	3.05	8.71	.737	−17.5	23.6

See legend in Table 2. *P < 0.05.