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Table 1 Clinical and biological variables, separated by CSF inflammation and infection status

From: Elevated production of radical oxygen species by polymorphonuclear neutrophils in cerebrospinal fluid infection

  Negative n = 8 Noninfected n = 15 Infected n = 7 P value P1 P2 P3
Temperature°C 39.0(38.5-39.3) 39.4(39.0-39.8) 39.5(38-40.3) 0.4557    
Blood leukocytes109/mm3 13.4(10.3-18) 12.5(10.1-16.2) 19.1(12.5-21.1) 0.9158   0.0039  
Blood glucosemmol/L 6.5(5.4-7.3) 6.9(6.4-7.6) 8(7.1-8.5) 0.2496    
Delaydays 5(4-7) 7(5-10) 11(10-18) 0.0027 0.049 0.0026 0.0165
CSF leukocytes/mm3 32(6-73) 360(170-1022) 460(190-1090) 0.0002 0.0001 0.0012  
CSF % PMN 83(65-89) 83(74-93) 88(83-93) 0.6663    
CSF glucosemmol/L 3.6(3.0-3.9) 3.7(3.3-4.4) 2(0.9-3.9) 0.3013    
CSF proteinsg/L 0.7(0.5-0.7) 0.6(0.4-0.8) 1.5(1.1-2.3) 0.0042   0.0039 0.0045
  1. P value comparison among the three groups (Kruskall-Wallis). Between-group comparison: P1 value negative versus noninfected, P2 value negative versus infected, P3 value noninfected versus infected groups (Mann-Whitney test). Data are expressed as median (interquartile range)