Table 3.
Sleep Parameters and Outcomes by Sleep Disturbance Groups
| Patient (n = 77) | Caregiver (n = 44) | |||
|---|---|---|---|---|
| PSQI | LSD (≤ 5) | HSD (> 5) | LSD (≤ 5) | HSD (> 5) |
| N (%) | 36 (47) | 41 (53) | 20 (45) | 24 (55) |
| Sleep parameter | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
| Bedtime, hh:mm | 21:57 (01:09) | 22:05 (01:15) | 22:13 (01:12) | 22:35 (01:17) |
| Wake time, hh:mm | 06:59 (01:21) | 07:00 (01:23) | 06:29 (00:56) | 07:00 (01:04) |
| Sleep latency, min | 11.07 (8.57) | 32.71(34.00) | 13.35 (9.37) | 34.54 (21.53) |
| Total sleep time, h | 8.32 (1.21) | 6.11 (1.38) | 7.66 (0.71) | 5.71 (1.08) |
| Sleep efficiency, % | 92.61 (7.57) | 69.20 (15.22) | 95.03 (11.58) | 69.79 (16.85) |
| PSQI components | ||||
| Sleep quality | 0.47 (0.51) | 1.39 (0.74) | 0.75 (0.44) | 1.50 (0.59) |
| Sleep latency | 0.25 (0.44) | 1.63 (1.09) | 0.65 (0.75) | 2.08 (0.93) |
| Sleep duration | 0.11 (0.32) | 1.17 (1.07) | 0.10 (0.31) | 1.54 (0.93) |
| Habitual sleep efficiency | 0.22 (0.49) | 1.80 (0.98) | 0.20 (0.41) | 1.79 (1.10) |
| Sleep disturbances | 1.11 (0.47) | 1.61 (0.67) | 1.05 (0.41) | 1.58 (0.50) |
| Use of sleeping medication | 0.03 (0.17) | 0.73 (1.23) | 0.00 (0.00) | 0.83 (1.27) |
| Daytime dysfunction | 0.58 (0.69) | 1.17 (0.83) | 0.70 (0.47) | 1.13 (0.74) |
| Global | 2.78 (1.40) | 9.51 (2.95) | 3.47 (1.12) | 10.46 (2.83) |
| ISI total | 4.64 (4.39) | 11.32 (4.77) | 5.05 (4.57) | 11.83 (4.65) |
| MDASI-BT drowsiness | 2.09 (2.48) | 3.85 (2.72) | – | – |
| Insomnia, n (%) | All patients (n = 81) | All caregivers (n = 44) | ||
| None | 35 (43) | 17 (39) | ||
| Subthreshold insomnia | 34 (42) | 21 (48) | ||
| Moderate insomnia | 12 (15) | 5 (11) | ||
| Severe insomnia | 0 (0) | 1 (2) | ||
| Drowsiness, n (%) | All patients (n = 81) | |||
| None to mild drowsiness | 59 (73) | |||
| Moderate to severe drowsiness | 22 (27) | |||
Abbreviations: HSD, high sleep disturbance; ISI, Insomnia Severity Index; LSD, low sleep disturbance; MDASI-BT, The MD Anderson Symptom Inventory-Brain Tumor; PSQI, Pittsburgh Sleep Quality Index; TST, total sleep time.