Table 6.

Comparison of NK cells between groups.

	Group(I)	Group(J)	Mean difference (I–J)	Standard error	P value	95% Confidence interval
						Lower limit	Upper limit
LSD	1	2	−.417	.656	.546	−1.97	1.14
		3	.477	.656	.491	−1.08	2.03
		4	−5.98*	.734	.000	−7.72	−4.25
	2	1	.417	.656	.546	−1.14	1.97
		3	.893	.656	.216	−.659	2.45
		4	−5.57*	.734	.000	−7.30	−3.83
	3	1	−.477	.656	.491	−2.03	1.08
		2	−.893	.656	.216	−2.45	.659
		4	−6.46*	.734	.000	−8.19	−4.72
	4	1	5.98*	.734	.000	4.25	7.72
		2	5.57*	.734	.000	3.83	7.30
		3	6.46*	.734	.000	4.72	8.19

See legend in Table 2. *P < 0.05.