106 Chapter 4 Table 2: Continued. Variable Narcolepsy type 1 (N = 194) Narcolepsy type 2 or idiopathic hypersomnia (N = 71) Odds ratio (95% CI) Effect size Corrected p-value Infections & influenza vaccinations N Percentage of N N Percentage of N Other non-respiratory infection prevalence 149 7.4% 44 18.2% 0.36 (0.13-0.96) 0.1521 0.0854 Rapid onset after any infection 46 78.3% 28 57.1% 2.70 (0.97-7.53) 0.2241 0.1127 Influenza vaccinations Total influenza vaccination prevalence 142 31.0% 57 15.8% 2.40 (1.08-5.31) 0.1554 0.0815 H1N1 influenza vaccination prevalence 142 23.2% 57 3.5% 8.32 (1.9335.98) 0.2343 0.0048# Rapid onset after influenza vaccination 44 34.1% 9 11.1% 4.14 (0.4736.25) 0.1879 0.4395# N reflects the available data for the corresponding variable. # Fisher’s exact test was performed. CI = confidence interval.
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