Study population | Time since vaccination | Cases and controls (N/N) | Vaccinated cases and controls (N/N) | OR | Influenza VE % (95% CI) | Trend p valuec |
---|---|---|---|---|---|---|
≥65 years | 49–88 days | 39/17 | 4/7 | Crude | 84 (33;96) | 0.211 |
Adjusted | 85 (18;97)a | |||||
89–127 days | 72/24 | 37/14 | Crude | 24 (−92;70) | ||
Adjusted | 33 (−102;78)a | |||||
128–166 days | 58/14 | 23/4 | Crude | −64 (−487;54) | ||
Adjusted | −376 (−4332;49)a | |||||
<65 years | 39–75 days | 104/64 | 1/4 | Crude | 85 (−33;98) | 0.335 |
Adjusted | 84 (−138;99)b | |||||
76–111 days | 114/66 | 11/6 | Crude | −7 (−203;62) | ||
Adjusted | 19 (−149;73)b | |||||
112–148 days | 113/71 | 10/11 | Crude | 47 (−32;79) | ||
Adjusted | 58 (−19;86)b |