Table 2.
The relationship between menstrual cycle and physiological parameters in the regular group
| Physiological parameter | BBTa, b | HRa, c | Ln(SDNNa, d) | Ln(LF/HF ratioa, e) |
|---|---|---|---|---|
| Intercept | 36.63 (0.02) | 62.50 (0.54) | 4.80 (0.02) | -0.55 (0.02) |
| Cycle phase | ||||
| Menstrual | Reference | Reference | Reference | Reference |
| Follicular | -0.03 (0.01)f | 0.23 (0.13) | -0.00 (0.01) | 0.02 (0.01) |
| Fertile | 0.01 (0.01) | 0.84 (0.12)f | -0.04 (0.01)f | 0.05 (0.01)f |
| Luteal | 0.19 (0.01)f | 2.69 (0.11)f | -0.10 (0.01)f | 0.05 (0.01)f |
| Follicular | Reference | Reference | Reference | Reference |
| Fertile | 0.04 (0.01)f | 0.61 (0.13)f | -0.04 (0.01)f | 0.03 (0.01)f |
| Fertile | Reference | Reference | Reference | Reference |
| Luteal | 0.18 (0.01)f | 1.84 (0.11)f | -0.06 (0.01)f | 0.00 (0.01) |
aUnstandardized beta-coefficient values (standard error) reported with adjusted p values using a Bonferroni correction
bBBT, basal body temperature
cHR, heart rate
dSDNN, standard deviation of normal-to-normal intervals
eLF/HF ratio, low frequency /high frequency ratio
fP < 0.001