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Table 5 Effect of additional AHA on safety outcomes

From: The effect of delegation of therapy to allied health assistants on patient and organisational outcomes: a systematic review and meta-analysis

Study Outcome RR (95%CI) NNT (95%CI)
Duncan 2006 [28] Mortality (trauma unit) 0.41 (0.16 to 1.00) 17 (9 to 315)
  Mortality (in hospital) 0.56 (0.29 to 1.09)
  Mortality (4-months) 0.57 (0.34 to 0.95) 11 (5 to 79)
Hastings 2014 [29] Proportion of fallers 0.38 (0.02 to 5.92)
  Mortality (1-month post D/C) 0.76 (0.15 to 3.97)
Jones 2006 [32] Proportion of fallers 2.17 (0.41 to 11.48)
  Medical status deterioration 4.34 (0.50 to 37.90)
  Mortality (in hospital) 2.17 (0.41 to 11.48)
Parry 2016 [37] Proportion of fallers 0.96 (0.78 to 1.17)
  Adverse events 0.76 (0.44 to 1.30)
Siebens 2000 [42] Mortality (in hospital) 5.07 (0.25 to 104.66)
  Mortality (1-month post D/C) 1.02 (0.44 to 2.38)
Walsh 2015 [44] Mortality (in hospital) 0.93 (0.31 to 2.80)
  1. AHA Allied health assistant, D/C Discharge, RR Risk ratio, N/A Not available or unable to be calculated, NNT Number needed to treat. Bold text indicates statistically significant difference between groups favouring allied health assistant group
  2. RR < 1 favours additional allied health assistant group