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Table 1 Univariate association between potential predictors and Bell’s palsy.

From: HIV infection, seasonality and younger age predicting incident Bell’s palsy among black South Africans

Variable of interest Incident n (%) Bell’s palsy P-value
   RR (95% CI)  
Gender
Males 138/415 (33.3) 2.1 (1.7–2.5) < 0.0001
Females 173/1072 (16.1)   
Age groups
< 30 years 162/402 (40.3) 2.9 (2.4–3.6) < 0.0001
≥ 30 years 149/1085 (13.7)   
Seasons
Autumn 64/308 < 0.0001  
Winter 136/450   
Spring 16/353   
Summer 95/376   
HIV
Positive 225/711 (31.6) 2.9 (2.3–3.6) < 0.0001
Negative 86/776 (11.1)