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Table 5 Number of calls total and per minute during phase 1 and 2

From: Impact of a visual indicator on the noise level in an emergency medical dispatch centre - a pilot study

Number of calls

Phase 1

Phase 2

Total

0

1101

1209

2310

1–2

1979

2328

4307

≥3

1240

783

2023

 

4320

4320

8640

  1. Chi-squared = 136.57–2 degrees of free (P < 10−3)
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BMC Emergency Medicine

ISSN: 1471-227X

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