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Table 1 The epidemiological and laboratory characteristics of patients with meningitis

From: Epidemiological profile of meningitis in Iran before pentavalent vaccine introduction

Variable Categories of variable Bacterial meningitis N(%) Aseptic meningitis N(%) Total N(%)
Sex Male 720 (63.44) 139 (46.06) 859 (58.51)
Female 414 (36.48) 78 (35.94) 492 (33.51)
Residency Area Urban 839 (73.92) 159 (73.27) 998 (67.98)
Rural 283 (24.93) 55 (25.35) 338 (23.02)
Nomads 2 (0.18) 2 (0.14)
Mobile teams 5 (0.44) 2 (0.92) 7 (0.48)
Age <  1 year 346 (30.48) 84 (38.71) 430 (29.29)
1–5 215 (18.94) 51 (23.5) 266 (18.11)
5 574 (50.57) 82 (37.79) 656 (44.68)
Etiological agents Streptococcus pneumoniae 266 (23.44) Unknown 266 (18.12)
Haemophilus influenzae type b 145 (12.78) Unknown 145 (9.88)
Neisseria meningitidis 95 (8.37) Unknown 95 (6.47)
Other cases 629 (55.42) Unknown 629 (42.85)
Treatment Outcome Recovered 930 (81.94) 203 (93.55) 1133 (77.17)
Death 97 (8.55) 4 (1.84) 101 (6.88)
CSF appearance Clear 441 (38.85) 126 (58.06) 567 (38.62)
Turbid 519 (45.73) 37 (17.05) 556 (37.87)
Bloody 42 (3.70) 14 (6.45) 56 (3.81)
Unknown 50 (4.41) 14 (6.45) 64 (4.35)