. Author manuscript; available in PMC: 2011 Feb 4.

Published in final edited form as: Pediatrics. 2010 Jan 11;125(2):257–264. doi: 10.1542/peds.2009-1181

Table 3b.

Cerebrospinal fluid white blood cell counts stratified by enterovirus testing and season for patients a.) 0–28 days of age and b.) 29–56 days of age.

Infants Ages 29–56 Dates of Age^†

	EV Negative All Seasons (N=38)	CSF EV PCR Not Sent EV Season (N=54)	CSF EV PCR Not Sent Not EV Season (N=146)
Mean value (SD)	6.8	2.2	2.5
Upper bound of 95% confidence interval of the mean value	10.3	2.7	3.0
Median value	2.5	2^*	2^**
90^th percentile value	23	4	6
95^th percentile value	34	7	7
Interquartile range	1–7	1–3	1–3

^†

All units are/mm³

p<0.16 (compared to median value of patients who tested negative for enterovirus)

^**

p<0.12 (compared to median value of patients who tested negative for enterovirus), Wilcoxon Rank-Sum test.

Abbreviations: CSF, cerebrospinal fluid; SD, standard deviation; EV, enterovirus; PCR, polymerase chain reaction