Clinical history | Number of studies | Number of episodes | Sensitivity (95% CI) |
---|---|---|---|
*Unpooled data. | |||
Headache | 7 | 303 | 50% (32 to 68) |
Nausea and vomiting | 3 | 136 | 30% (22 to 38) |
Physical examination | |||
Fever | 10 | 733 | 85% (78 to 91) |
Neck stiffness | 10 | 733 | 70% (58 to 82) |
Altered mental status | 10 | 811 | 67% (52 to 82) |
Jolt accentuation of headache | 1 | 34 | 97% (91 to 100)* |