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. 2000 Apr 24;2000(2):CD001131. doi: 10.1002/14651858.CD001131

Kravitz 1992.

Methods Randomised double blind cross‐over study. Randomisation procedure not described.
Participants 6 pts: 2 MS and 4 SCI (3 cervical and 1 thoracic level). Length from onset not reported. Age: 29 ‐ 45 years. Inclusion criteria: Pts self reporting sleep difficulty, selected from a group of 20 receiving the infusion device. Exclusion criteria: Not described.
Interventions Intrathecal baclofen (doses ranged from 95.6 mg to 143.4 mg/day) or saline placebo infused in 2 non‐consecutive nights. One day was considered a sufficient washout time.
Outcomes Assessment performed in both study nights. 
 a) Polysomnographic monitoring (electroencephalogram and submental EMG; b) EMG recordings at hamstrings, quadriceps, tibialis anterior, and gastrocnemius of the worse of the two legs; c) EMG Index (EMG event/hour of sleep). EMG events were grouped according to whether they occurred before, after or without arousals or awakenings.
Notes No information on influence of quality of sleep on ADL or daytime quality of life.
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk Unclear