Skip to main content

Table 2 PPV and sensitivity of dispatch for stroke/TIA symptom identification

From: The use of Cincinnati prehospital stroke scale during telephone dispatch interview increases the accuracy in identifying stroke and transient ischemic attack symptoms

 

Positive predictive value

Sensitivity

Age

n/N

%

95% CI

n/N

%

95% CI

  <=60

907/4856

18.7

(17.6-19.8)

907/1303

69.6

(67.0-72.1)

  >60

5355/13375

40

(39.2-40.9)

5355/8488

63.1

(62.1-64.1)

Presence of CPSS

      

  Yes

3038/4527

67.1

(65.7-68.5)

3038/3487

87.1

(86.0-88.2)

  No

3224/13704

23.5

(22.8-24.2)

3224/6304

51.1

(49.9-52.4)

Centre using CPSS

      

  > = 10% of cases

4333/7396

58.6

(57.5-59.7)

4333/6098

71.1

(87.0-88.6)

  <10% of cases

1929/10835

17.8

(17.1-18.5)

1929/3693

52.2

(50.6-53.9)

  1. CPSS - Cincinnati Prehospital Stroke Scale.