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Table 1 Characteristics of the study population for all BM cases

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

Variable N/Total* or Median (IQR) Percentage (95% CI) Missing (%)
Demographics  
   Age (y) 2.0 (0.5-5.0)   71/2477 (2.9)
   Male sex 1450/2471 58.7% (56.7-60.6) 6/2477 (0.2)
   Duration of symptoms (hrs) 24.0 (24.0-48.0)   348/2477 (14.0)
   Duration of symptoms < 24 h 473/2129 22.2% (20.5-24.1) 348/2477 (14.0)
Symptoms & signs at presentation  
Body temperature (°C) 39.0 (38.5-39.6)   1235/2477 (49.9)
   Fever > 38 1158/1242 93.2% (91.7-94.5) 1235/2477 (49.9)
   Headachea 871/1112 78.3% (75.8-80.7) 218/1330 (16.4)
   Vomiting 1193/2074 57.5% (55.4-59.7) 403/2477 (16.3)
   Meningeal signsb 1212/1477 82.1% (80.0-84.0) 214/1691 (12.7)
   Haemorrhagic rash 967/2466 39.2% (37.3-41.2) 11/2477 (0.4)
   Seizures 337/1777 19.0% (17.2-20.9) 700/2477 (28.3)
   Bulging fontanellec 416/918 45.3% (42.1-48.6) 300/1218 (24.6)
   Gruntingc 472/952 49.6% (46.4-52.8) 266/1218 (21.8)
   Poor feeding 449/1611 27.9% (25.7-30.1) 866/2477 (35.0)
   Shock 209/1689 12.4% (10.9-14.1) 788/2477 (31.8)
   Coma 155/1671 9.3% (7.9-10.8) 806/2477 (32.5)
Indexes of inflammation in CSF at presentation  
   White-cell count (cells/mm3) 1468.0 (268.5-5175.0)   84/2477 (3.4)
   ≤ 100 WBC/mm3 396/2,393 16.5% (15.1-18.1) 84/2477 (3.4)
   ≤ 1000 WBC/mm3 1063/2393 44.4% (42.4-46.4) 84/2477 (3.4)
   % polymorphonuclears 88.0 (75.0-95.0)   507/2477 (20.5)
   % lymphocytes 13.0 (6.0-27.0)   1282/2477 (51.8)
   Glucose (mg/dl) 42.0 (18.25-58.0)   217/2477 (8.8)
   Protein (mg/dl) 90.0 (42.0-190.0)   210/2477 (8.5)
   Positive CSF culture 972/2082 46.7% (44.5-48.9) 395/2477 (15.9)
   Positive CSF Gram stain 792/2022 39.2% (37.0-41.3) 455/2477 (18.4)
Indexes of inflammation in blood at presentation  
   White-cell count (cells/mm3) 14000 (9500-19700)   186/2477 (7.5)
   % polymorphonuclears 73.0 (58.0-84.0)   280/2477 (11.3)
   % lymphocytes 19.0 (10.0-33.0)   456/2477 (18.4)
   Positive Blood culture 284/1668 17.0% (15.3-18.9) 809/2477 (32.7)
  1. * study population and denominators vary due to missing values.
  2. a study population excludes children less than two years old (N = 1330)
  3. b study population excludes children less than one year old (N = 1691)
  4. c study population excludes children greater than or equal to two years old (N = 1218)