Table 5.

Comparison of means (t-test) between culture positive and culture negative groups.

All
	WBC	ANC	IGC	IG%	IGC/WBC%	IGC/ANC%
Difference	5.29	3.62	0.45	2.23	1.85	8.71
SE	1.24	0.87	0.11	0.66	0.51	2.68
95% CI	2.84–7.74	1.91–5.33	0.23–0.67	0.93–3.53	0.84–2.86	3.43–13.99
t	4.25	4.18	4.04	3.40	3.61	3.25
DF	198	198	198	198	198	198
	<0.0001	<0.0001	0.0001	0.0008	0.004	0.0013