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Table 1 Biometrical data of the study participants before the start of the TransEurope-FootRace 2009 (TEFR09)

From: Substantial and reversible brain gray matter reduction but no acute brain lesions in ultramarathon runners: experience from the TransEurope-FootRace Project

Parameter Seven-subject group Ten-subject group Non-study group
(n = 34)
Pvalue of difference (10 vs 34) Pvalue of difference (7 vs 34)
Age in years 51.1 (11.5) 48.8 (12.7) 50.4 (10.2) 0.693 0.867
Height, m 1.78 (0.04) 1.79 (0.04) 1.74 (0.08) 0.072 0.202
Weight at start, kg 75.1 (6.8) 73.6 (6.6) 69.9 (10.0) 0.285 0.196
Pre-race training, km/year 6,513 (2,689) 6,142 (2,367) 5,355 (1,620) 0.230 0.132
Pre-race training, km/week 125.8 (51.5) 118.3 (45.0) 103.0 (30.4) 0.214 0.117
Pre-race training, h/week 13.5 (3.8) 12.9 (3.4) 12.6 (3.2) 0.771 0.491
Pre-race mean velocity, km/h 8.8 (1.3) 8.8 (1.5) 8.2 (1.4) 0.207 0.266
  1. Values are given as mean (SD).