Table 2.
T-test comparing blood parameters before and after intervention
| Marker | Reference range | Mean 1a | Mean 1b | Mean Difference | Std. Deviation | Std. Error Mean | 95% CI Lower | 95% CI Upper | t | df | sig. (2-tailed) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Haemoglobin (g/L) | 138—175 | 149.58 | 146.00 | 3.58 | 4.68 | 1.35 | 0.61 | 6.56 | 2.652 | 11 | .022* |
| S-Iron (μmol/L) | 5.8—34.5 | 23.91 | 19.12 | 4.79 | 8.04 | 2.32 | − 0.31 | 9.90 | 2.065 | 11 | .063 |
| S-TSH (mIU/L) | 0.27—4.20 | 2.40 | 2.01 | 0.39 | 1.02 | 0.30 | − 0.26 | 1.04 | 1.318 | 11 | .214 |
| S-T3 (pmol/L) | 3.1—6.8 | 4.74 | 4.60 | 0.14 | 0.54 | 0.16 | − 0.20 | 0.48 | 0.892 | 11 | .391 |
| S-Testosterone (nmol/L) | 8.64—29.0 | 19.46 | 20.22 | − 0.76 | 6.68 | 1.93 | − 5.01 | 3.48 | − 0.396 | 11 | .700 |
| S-cortisol (nmol/L) | 166.0–507.0 | 414.16 | 428.21 | − 14.05 | 91.58 | 26.44 | − 72.24 | 44.14 | − 0.531 | 11 | .606 |
| S-ferritin (μg/L) | 30—400 | 123.19 | 120.39 | 2.80 | 21.28 | 6.14 | − 10.72 | 16.32 | 0.456 | 11 | .657 |
| Insulin (mE/L) | 2–29.1 | 3.79 | 3.08 | 0.71 | 2.32 | 0.67 | − 0.77 | 2.18 | 1.057 | 11 | .313 |
| IGF-1 (μg/L) | 83.4–232.7 | 201.50 | 177.08 | 24.42 | 43.29 | 12.50 | − 3.09 | 51.92 | 1.954 | 11 | .077 |
| IGF-1 SD | 0.059 | − 0.370 | 0.429 | 0.772 | 0.223 | − 0.061 | 0.919 | 1.926 | 11 | .080 |
*significance set at p < 0.05