Table 4.
Change in sleep metrics post DBS
| Study | Tolleson et al | Iranzo et al 16 | Monaca et al 17 | Cicolin et al 18 | Arnulf et al 15 |
|---|---|---|---|---|---|
| Sleep Efficiency % |
+13.4 | −6.1 | +15.3 | +60 | +14.6 |
| WASO (min) | −35 | −11.8 | −69 | −49 | −51 |
| Sleep Latency (min) |
−31.6 | −22.6 | −71.7 | −58 | −10 |
| REM latency (min) |
−127.5 | -- | -- | −65 | −20 |
| Stage N1 (%) | −20.8 | +2.2 | −3.4 | −2.8 | +0.4 |
| Stage N2 (%) | +18.8 | −9.2 | −8.8 | −7.8 | +5.4 |
| Stage N3 (%) | −4.1 | +6.7 | +9.1 | +8.3 | −3.0 |
| REM (%) | +4.7 | +0.2 | +2.6 | +2.3 | +1.9 |
| PLM index | −25.2 | +6.9 | -- | −7.1 | -- |
| Arousal Index | -23 | −6.8 | -- | -- | +1.3 |
Legend: WASO= Wake After Sleep Onset; PLM=Periodic Limb Movement. Values correspond to mean changes pre/post surgery or off/on stimulation.