Table 2 Group differences for the main outcome variables
From: Sleep disturbances in the context of neurohormonal dysregulation in patients with bipolar disorder
| Â | Healthy controls | Bipolar disorder | t-test |
|---|---|---|---|
TST (sleep diary) | 437.51 (SD = 52.52) | 478.28 (SD = 64.64) | p = 0.024 |
TIB (sleep diary) | 486.26 (SD = 58.75) | 550.89 (SD = 73.83) | p = 0.002 |
TST (actigraphy) | 402.63 (SD = 47.37) | 428.05 (SD = 71.59) | p = 0.176 |
WASO (actigraphy) | 51.56 (SD = 16.77) | 72.90 (SD = 35.86) | p = 0.019 |
SE (actigraphy) | 88.01% (SD = 3.30%) | 84.45% (SD = 6.75%) | p = 0.036 |
Sleep onset (actigraphy) | 24.35 (SD = 0.79) | 23.37 (SD = 1.16) | p = 0.002 |
Average melatonin | 3.35 (SD = 2.23) | 4.06 (SD = 2.77) | p = 0.352 |
Cortisol | 17.06 (SD = 5.37) | 16.97 (SD = 10.22) n = 18 | p = 0.969 |
DLMO | 21.82 (SD = 1.50) n = 22 | 20.17 (SD = 1.63) n = 20 | p = 0.001 |
Phase angle difference | 6.35 (SD = 1.40) n = 22 | 7.48 (SD = 1.53) n = 20 | p = 0.017 |