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Table 1 Baseline group characteristics M ± SD

From: Effects of dietary intervention in young female athletes with menstrual disorders

Parameters
Baseline characteristics
Age (years) 18.1 ± 2.6
Age at menarche (years) 13.0 ± 1.2
Age at the beginning of training (years) 11.2 ± 3.5
Training period (years) 6.8 ± 3.3
Number of training session per week (n/d) 5.2 ± 1.1
Hours of training per day (hours/d) 4.0 ± 1.8
Hours of training per week (hours/wk) 19.5 ± 7.2
RMR predicted (kcal/d) 1458 ± 56
RMR measured (kcal/d) 1354 ± 151
RMR measured/predicted*100% 92.8 ± 10.0
RMR measured - RMR predicted (kcal/d) −105.0 ± 146.8
RMR/FFM (kcal/kg) 29.0 ± 3.6
Hormonal parameters
TSH (0.35 –4.94 μIU/ml) 1.74 ± 0.80 (0.74–4.37)
PRL (5.18–26.53 ng/ml) 13.0 ± 9.33 (3.71–50.5)
T (10–90 ng/dl) 37.28 ± 21.85 (0.15–90.0)
SHBG (19.80–155.20 nmol/l) 62.79 ± 41.91 (18.0–228.4)