| Mean (SD) | Difference in Measurement | p-valuea | |
---|---|---|---|---|
Pre-shift | Post-shift | Post-shift – Pre-shift | ||
SDNN (msec) | 45.4 (23.5) | 45.5 (23.1) | 1.9 | 0.32 |
rMSSD (msec) | 26.5 (18.5) | 26.4 (189.3) | 0.69 | 0.65 |
pNN10 (%) | 51.97 (22.0) | 50.1 (22.9) | -0.56 | 0.75 |
pNN20 (%) | 34.1 (23.2) | 32.1 (23.8) | -0.65 | 0.7 |
LF (msec2) | 850.3 (976.1) | 853.4 (888.2) | 60 | 0.43 |
HF (msec2) | 427.6 (804.5) | 407.4 (719.2) | 3.23 | 0.97 |