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Table 2 Duration of symptoms according to periods

From: Prognostic factors related to sequelae in childhood bacterial meningitis: Data from a Greek meningitis registry

  Period  
  A B C P-value*
  Mean Median IQR Mean Median IQR Mean Median IQR  
Duration of symptoms (in hours) 49.4 24 24-72 42.4 24 24-48 36.8 24 18-48 < 0.001
  1. * Kruskal - Wallis test
  2. Period A (1974-1984, pre Hib vaccination), Missing values: 149/1319 (11.3%)
  3. Period B (1985-1994, Hib vaccine introduced), Missing values: 81/600 (13.5%)
  4. Period C (1995-2005, post Hib vaccination), Missing values: 118/558 (21.1%)