Table 1: CSF cell count findings in WNV-infected patients versus patients with other viral illness (OVI) or non-viral illness (NVI).

VariableDisplay meaningWNV infectionOther viral illnessNon-viral illness 𝑃 values for tests
OverallWNV versus OVIWNV versus NVI

TotalN 𝑛 = 1 2 𝑛 = 1 2 𝑛 = 6 5
GenderM50.050.050.80.98
AgeMean (SD)51.2 (17.5)37.1 (16.1)35.5 (27.1)0.13
RBCMean (SD)42.3 (53.3)642.3 (2095.3)28858.4 (179338.1)0.740.990.55
WBCMean (SD)236.7 (265.1)325.0 (446.0)174.9 (561.6)0.640.680.71
% LymphocytesMean (SD)41.6 (27.1)53.9 (28.9)58.2 (30.7)0.220.320.08
% MonocytesMean (SD)12.0 (5.8)25.8 (20.1)18.8 (19.3)0.190.070.24
% NeutrophilsMean (SD)44.4 (28.9)18. 7(29.8)23.1 (30.8)0.070.040.03
% PC lymphocytesMean (SD)1.8 (2.1)1.1 (1.4)0.1 (0.4)<.00010.06<.0001
% Plasma CellsMean (SD)0.2 (0.6)0.3 (0.7)0.1 (0.4)0.300.380.69
PC lymphocytes presentN (%)7/12 (58.3)6/12 (50.0)7/65 (10.8)<.00010.58<.0001
Plasma Cells presentN (%)1/12 (8.3)3/12 (25.0)5/65 (7.7)0.180.170.94