Table 2.

Mean Percentage of Apoptotic Cells in NK Cells Treated Tumour Cells at Different NK Cell Concentrations

		Mean		Std. Deviation			Std. Error		95% Confidence Interval for Mean
									Lower Bound		Upper Bound
10,000 cells/ml		5.3333		1.26623			0.73106		2.1878		8.4788
20,000 cells/ml		8.3333		0.70946			0.40961		6.5709		10.0957
40,000 cells/ml		13.8		0.6245			0.36056		12.2487		15.3513
Control		0.4		0.2			0.11547		-0.0968		0.8968
10,000 cells/ml	5.6667				1.30512	0.75351		2.4246				8.9088
20,000 cells/ml	8.8333				0.41633	0.24037		7.7991				9.8676
40,000 cells/ml	12.8333				1.2897	0.74461		9.6295				16.0371
Control	0.4				0.36056	0.20817		-0.4957				1.2957
10,000 cells/ml			4.6333	1.16762		0.67412				1.7328			7.5339
20,000 cells/ml			8.9667	1.51438		0.87433				5.2047			12.7286
40,000 cells/ml			15	0.26458		0.15275				14.3428			15.6572
Control			0.5	0.36056		0.20817				-0.3957			1.3957