Table 8 Results according to tests performed and subjects analyzed
From: Hormonal aspects of overtraining syndrome: a systematic review
Parameter | FOR-induced athletes | Previously affected subjects |
|---|---|---|
Cortisol | Normal results – 11 (68.8%) Reduced levels – 5 (31.2%) Total - 16 | Normal results – 7 (50%) Increased levels – 2 (14.3%) Reduced levels – 5 (35.7%) Total - 14 |
ACTH | Normal results – 3 (100%) | Normal results – 6 (46.2%) Increased levels – 2 (15.3%) Reduced levels – 5 (38.5%) Total – 13 |
Serum catecholamines | Normal results – 4 (66.7%) Reduced levels – 2 (33.3%) Total - 6 | Normal results – 1 (20.0%) Increased levels – 2 (40.0%) Reduced levels – 2 (40.0%) Total – 5 |
GH | Normal results – 5 (100%) Total - 5 | Normal results – 1 (12.5%) Increased levels – 2 (25.0%) Reduced levels – 5 (62.5%) Total - 8 |
T/c | Normal results – 5 (62.5%) Reduced levels – 3 (37.5%) Total - 8 | Normal results – 1 (33.3%) Increased levels – 1 (33.3%) Reduced levels – 1 (33.3%) Total - 3 |
SHBG | - | Increased levels – 1 (100%) |
IGF-1 | Normal results – 1 (50.0%) Reduced levels – 1 (50.0%) Total - 2 | Normal results – 1 (33.3%) Increased levels – 2 (66.7%) Total - 3 |
Free T | Normal results – 1 (50.0%) Increased levels – 1 (50.0%) Total - 2 | Reduced levels – 1 (100%) |
Salivary C | - | Reduced levels – 2 (100%) |
Salivary T | - | Increased levels – 1 (50.0%) Reduced levels – 1 (50.0%) |
Total T | Normal results – 11 (78.6%) Increased levels – 1 (7.1%) Reduced levels – 2 (14.3%) Total - 14 | Normal results – 1 (33.3%) Reduced levels – 2 (66.7%) Total - 3 |
Insulin | Normal results – 6 (85.7%) Reduced levels – 1 (14.3%) Total - 7 | Normal results – 4 (80.0%) Reduced levels – 1 (20.0%) Total - 5 |
NUC | Increased levels – 1 (25.0%) Reduced levels – 3 (75.0%) Total - 4 | Normal results – 2 (100%) |
IGFBP-3 | - | Reduced levels – 1 (100%) |
IGF-1/IGFBP-3 | - | Increased levels – 1 (100%) |
Prolactin | Normal results – 4 (66.7%) Reduced levels – 2 (33.3%) Total - 6 | Normal results – 1 (50.0%) Reduced levels – 1 (50.0%) Total - 2 |
LH | Normal results – 6 (85.7%) Reduced levels – 1 (14.3%) Total – 7 | - |
FSH | Normal results – 4 (80.0%) Reduced levels – 1 (20.0%) Total - 5 | - |
Aldosterone | Normal results – 1 (16.7%) Increased levels – 2 (33.3%) Reduced levels – 3 (50.0%) Total - 6 | - |
DHEA-S | Normal results – 1 (100%) | - |
Peptide F | - | Normal results – 1 (100%) |
Fertility | Reduced levels – 1 (100%) | - |
TSH | Normal results – 4 (100%) | - |
T4 L | Normal results – 2 (100%) | - |
T3 L | Normal results – 2 (100%) | - |
16 h salivary C | Increased levels – 1 (100%) | - |
Beta2 muscle receptor | Reduced levels – 1 (100%) | - |
Total number of studies | 21 (55.3%) | 17 (44.7%) |