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Table 3 Frequency and risk of sequelae after being exposed to an acute bacterial meningitis episode

From: Significant sequelae after bacterial meningitis in Niger: a cohort study

Sequelae Exposed Non exposed p Crude RR 95% CI RR
  n = 67 % n = 65 %    
Functional symptoms         
Headache 67 31.3 65 13.8 0.022 2.3 1.1 4.6
Asthenia 65 36.9 63 12.7 0.002 2.9 1.4 6.0
Vertigo 67 22.4 65 7.7 0.027 2.9 1.1 7.6
Hearing loss assessment1         
Bone conduction altered or mixed 64 7.8 65 7.7 1 1.2 0.4 3.8
All levels of hearing loss 67   65      
- No 46 68.7 53 81.5     
- Mild 8 11.9 8 12.3 0.8 1.1 0.5 2.8
- Moderate 6 9.0 3 4.6 0.31 2.2 0.6 8.2
- Serious 7 10.4 1 1.5 0.031 7.1 0.9 56.0
- Moderate/serious 13 19.4 4 6.2 0.034 3.1 1.1 9.1
Motor impairment2 65 12.3 64 1.6 0.033 7.8 1 60.2
Neurological3 66 36.4 64 20.3 0.053 1.79 1.0 3.2
  1. 1 The most affected ear was retained.
  2. 2 Concerning walking and tonus.
  3. 3 Hearing loss or motor impairment.