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Table 1 Turn-around times of cTn samples at baseline and after the first and second control in favour of faster results in centre I

From: How rapid is rapid? Exemplary results of real-life rapid rule-out troponin timing in troponin-positive acute coronary syndromes without persistent ST-segment elevation in two contrasting German chest pain unit facilities

Time until result

Overall

Site I

Site II

p value

Baseline (min)

 Group (a)

31.0 (19.0–49.0)

26.0 (18.0–39.0)

38.5 (19.0–61.0)

0.05*

 Group (b)

20.0 (14.0–46.0)

NA

20.0 (14.0–46.0)

NA

 Group (c)

21.0 (14.0–39.0)

17.0 (14.0–28.0)

41.0 (29.0–52.0)

0.05*

 Group (d)

27.0 (22.0–34.0)

28.5 (22.0–41.0)

18.0 (18.0–34.0)

0.19

 Group (e)

22.0 (19.0–37.0)

31.0 (17.5–37.0)

22.0 (19.0–37.0)

0.74

1st control (h)

 Group (a)

4.0 (3.0–5.0)

4.0 (3.0–5.0)

4.0 (3.0–5.0)

0.95

 Group (b)

4.0 (4.0–4.5)

NA

4.0 (4.0–4.5)

NA

 Group (c)

4.0 (3.5–6.0)

4.0 (3.0–5.0)

5.75 (3.5–9.0)

0.18

2nd control (h)

 Group (a)

16.0 (11.0–22.0)

13.0 (8.5–16.0)

18.0 (12.0–26.0)

0.08

 Group (b)

17.5 (10.0–28.0)

NA

17.5 (10.0–28.0)

NA

 Group (c)

14.0 (10.5–16.0)

12.0 (7.0–14.0)

16.0 (14.0–16.0)

0.14

  1. site I: centre of maximum care in an urban university setting (University Hospital Münster); site II: centre of primary care in a rural regional setting (Arnsberg Medical Center)
  2. subgroups: a–c myocardial infarction without persistent ST-segment elevation (NSTEMI), d–e acute coronary syndromes without persistent ST-segment elevation (NSTE-ACS), cTn cardiac troponin
  3. * Statistically significant