Table 3.
Percent of patients reporting categorical changes from baseline on the Pittsburgh Sleep Quality Index Subscales
| Valerian | Placebo | P-value | |||
|---|---|---|---|---|---|
| Sleep Quality | Week 4 | 0.199 | |||
| Worse | 2(3%) | 5(8%) | |||
| Same | 33(49%) | 37(57%) | |||
| Better | 33(49%) | 23(35%) | |||
| Week 8 | 0.927 | ||||
| Worse | 3(5%) | 2(3%) | |||
| Same | 26(41%) | 25(42%) | |||
| Better | 35(55%) | 32(54%) | |||
| Sleep Latency | Week 4 | 0.030 | |||
| Worse | 6(10%) | 18(28%) | |||
| Same | 30(48%) | 26(40%) | |||
| Better | 27(43%) | 21(32%) | |||
| Week 8 | 0.072 | ||||
| Worse | 3(5%) | 11(18%) | |||
| Same | 28(47%) | 29(48%) | |||
| Better | 27(47%) | 21(34%) | |||
| Sleep Duration | Week 4 | 0.244 | |||
| Worse | 6(9%) | 10(16%) | |||
| Same | 26(39%) | 29(46%) | |||
| Better | 34(52%) | 24(38%) | |||
| Week 8 | 0.148 | ||||
| Worse | 8(13%) | 4(7%) | |||
| Same | 19(31%) | 28(48%) | |||
| Better | 34(56%) | 27(46%) | |||
| Sleep Efficiency | Week 4 | 0.295 | |||
| Worse | 7 (12%) | 13 (22%) | |||
| Same | 26 (43%) | 23 (39%) | |||
| Better | 28 (46%) | 23 (39%) | |||
| Week 8 | 0.758 | ||||
| Worse | 11 (19%) | 9 (16%) | |||
| Same | 19 (33%) | 22 (39%) | |||
| Better | 28 (48%) | 25 (45%) | |||
|
Sleep Disturbance |
Week 4 | 0.738 | |||
| Worse | 9 (15%) | 11 (18%) | |||
| Same | 41 (66%) | 40 (67%) | |||
| Better | 12 (19%) | 9 (15%) | |||
| Week 8 | 0.177 | ||||
| Worse | 10 (16%) | 7 (13%) | |||
| Same | 35 (57%) | 41 (73%) | |||
| Better | 16 (26%) | 8 (14%) | |||
|
Daytime Dysfunction |
Week 4 | 0.114 | |||
| Worse | 6 (9%) | 13 (19%) | |||
| Same | 42 (60%) | 40 (60%) | |||
| Better | 22 (31%) | 14 (21%) | |||
| Week 8 | 0.478 | ||||
| Worse | 6 (10%) | 8 (13%) | |||
| Same | 27 (43%) | 31 (50%) | |||
| Better | 30 (48%) | 23 (37%) |