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Table 2 Sample size calculation for the PREDICT study

From: Prehospital evaluation and economic analysis of different coronary syndrome treatment strategies - PREDICT - Rationale, Development and Implementation

Baseline %

Intervention %

Absolute

Difference

Odds Ratio

Number per

arm

37.4

47.4

10%

1.5

402

37.4

52.4

15%

1.8

185

37.4

57.4

20%

2.3

106