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Table 4 Multivariate adjusted likelihood ratios for indicators of meningitis amongst neonates and young infants in the derivation period with simplified scores.

From: Clinical indicators of bacterial meningitis among neonates and young infants in rural Kenya

Indicator   Adjusted Likelihood Ratios Simplified scores
   First Week of Life Age 7 to 59 days First week of life Age 7 to 59 days
History of Fever No 0.41 0.29 -1 -1
  Yes 2.16 1.32 1 0
History of convulsions No 0.90 0.72 0 0
  Yes 2.03 3.89 1 1
Bulging fontanel No 0.88 0.88 0 0
  Yes 8.46 8.56 2 2
Irritability No 0.96 0.96 0 0
  Yes 3.83 1.91 1 1
Axillary temperature °C < 36 0.94 0.78 0 0
  36-37.4 0.62 0.70 0 0
  37.5-38.9 1.59 1.14 0 0
  ≥ 39 3.57 2.76 1 1
constant     +1
Composite total     6 6