Table 2. Results of repeated measures analysis for sleep variables.
Data are presented as mean(±SD).
| Control | Resolved | Unresolved | Time | Group | Time x Group | ||||
|---|---|---|---|---|---|---|---|---|---|
| Baseline | Follow up | Baseline | Follow up | Baseline | Follow up | F | F | F | |
| Sleep Diary– 4–7 days | |||||||||
| TSO (minutes) | 635 (56) | 613 (38) | 619 (32) | 614 (40) | 611 (48) | 593 (48) | 2.6 | 1.5 | 0.3 |
| Sleep Parameters PSG | |||||||||
| SOL (minutes) | 25 (25) | 27 (29) | 18 (11) | 25 (28) | 25 (30) | 28 (17) | 0.4 | 0.1 | 0.3 |
| TST (minutes) | 451 (38) | 430 (43) | 442 (35) | 421 (58) | 435 (38) | 437 (42) | 3.5 | 0.4 | 1.1 |
| WASO (% of SPT) | 7 (5) | 10 (6) | 6 (4) | 12 (8) | 7 (7) | 8 (6) | 9.4** | 0.7 | 1.4 |
| REM Latency (minutes) | 113 (46) | 141 (59) | 111 (45) | 187 (74) | 123 (47) | 140 (53) | 14.5*** | 1.9 | 2.8 |
| N1 (% of TST) | 8 (4) | 7 (3) | 8 (4) | 6 (2) | 10 (5) | 7 (3) | 10.1** | 1.4 | 0.2 |
| N2 (% of TST) | 41 (5) | 47 (6) | 42 (6) | 46 (6) | 40 (8) | 46 (8) | 37.1*** | 0.1 | 0.4 |
| N3 (% of TST) | 27 (5) | 27 (5) | 30 (6) | 30 (7) | 30 (6) | 26 (5) | 2.7 | 2.7 | 1.7 |
| Total NREM (% of TST) | 76 (5) | 80 (4) | 81 (3) | 82 (4) | 80 (3) | 80 (5) | 5.6* | 5.3** a | 2.3 |
| REM (% of TST) | 23 (5) | 20 (4) | 19 (3) | 18 (4) | 20 (3) | 20 (5) | 4.9* | 4.9* b | 1.9 |
| SE (%) | 88 (7) | 85 (8) | 90 (5) | 82 (8) | 87 (10) | 87 (5) | 6.3* | 0.2 | 2.3 |
* p<0.05,
** p<0.01,
*** p<0.001.
a Control < Resolved;
b Control > Resolved
TSO = Total sleep opportunity; SOL = Sleep onset latency; TST = Total sleep time; WASO = Wake after sleep onset; SPT = Sleep period time; NREM = Non-Rapid Eye Movement, REM = Rapid Eye Movement; SE = Sleep efficiency