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Table 2 Relative risk of hospital separations, inpatient LOS and ED presentations

From: Use of mechanical airway clearance devices in the home by people with neuromuscular disorders: effects on health service use and lifestyle benefits

   Hospital separations Inpatient LOS ED presentations
   RR (95% CI) RR (95% CI) RR (95% CI)
Gender Male 0.44 (0.24 - 0.8) 0.21 (0.07 - 0.63) 0.42 (0.31 - 0.58)
  Female 1.0 1.0 1.0
Intervention Pre 1.82 (0.76 - 4.38) 2.83 (0.52 - 15.49) 1.76 (1.10 - 2.84)
  Post 1.0 1.0 1.0
Time period   1.10 (1.04 -1.17) 1.15 (1.01 – 1.27) 1.05 (0.95 – 1.16)