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Table 1 Statistical calculation based on the Farrington und Manning formula [40]

From: Telemedical support for prehospital Emergency Medical Service (TEMS trial): study protocol for a randomized controlled trial

Information rate

Bounds accept H0

Bounds reject H0

Significance level one-sided

α spent

β spent

Power achieved

Stage n1

Sizes n2

0.333

-

3.471

0.0003

0.0003

-

0.0329

501.4

501.4

0.667

-

2.454

0.0071

0.0072

-

0.4424

501.4

501.4

1.0

2.004

2.004

0.0225

0.0250

-

0.8000

501.4

501.4

  1. H0 null hypothesis, n number