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Table 2 Data for indices of biological markers of cardiac damage pre-, post-, 6 hr post-marathon.

From: Troponin release following endurance exercise: is inflammation the cause? a cardiovascular magnetic resonance study

  Pre-marathon Post-marathon 6 h Post-marathon P value
cTnI
(μg/L)
0.00 0.04 ± 0.008* 0.075 ± 0.024* P = 0.002
NTproBNP
(ng/L)
37.4 ± 5.9 59.3 ± 10.5* 68.1 ± 11* P = 0.007
  1. cTnI, cardiac troponin-I; NTproBNP, N terminal pro B type natriuretic peptide
  2. *Significantly different from pre-marathon values (p < 0.05). Values are expressed as mean (± SD).