Table 3.
Linear models
|
a. Positive predictive value as function of sensitivity and proportion of cases with CPSS reported | ||||
|---|---|---|---|---|
| Coefficient | Standard error (*) | p | 95% CI | |
| Sensitivity |
-0.36 |
0.192 |
0.063 |
-0.73-0.02 |
| Proportion of cases with CPSS |
0.48 |
0.195 |
0.014 |
0.10-0.86 |
| Constant |
67.11 |
23.137 |
0.004 |
21.76-112.46 |
|
b. Sensitivity as function of positive predictive value and proportion of cases with CPSS reported | ||||
| |
Coefficient |
Standard error (*) |
p |
95% CI |
| Positive predictive value |
-0.21 |
0.138 |
0.118 |
-0.48-0.05 |
| Proportion of cases with CPSS |
0.32 |
0.104 |
0.002 |
0.12-0.53 |
| Constant | 69.32 | 12.15 | 0.000 | 45.50-93.13 |
(*) Std. Err. adjusted for 14 clusters in regions.
CPSS - Cincinnati Prehospital Stroke Scale.