Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Recovery of motor function
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean change in physical Facial Disability Index (FDI) score 3 months From 56.8 to 73.5 with mime therapy From 63.2 to 59.6 with waiting list control	P <0.02	Effect size not calculated	mime therapy
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean change in social FDI scores From 68.6 to 80.7 with mime therapy From 72.6 to 66.2 with waiting list control	P <0.01	Effect size not calculated	mime therapy
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean change in stiffness scores 3 months From 3.72 to 2.37 with mime therapy From 3.68 to 3.54 with waiting list control	P <0.001	Effect size not calculated	mime therapy
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean change in pout score 3 months From 14.7 to 21.0 with mime therapy From 16.3 to 15.7 with waiting list control	P <0.001	Effect size not calculated	mime therapy
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean change in lip-length score 3 months From 17.6 to 23.7 with mime therapy From 21.6 to 19.6 with waiting list control	P <0.03	Effect size not calculated	mime therapy
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean social FDI score 12 months 81.6 with mime therapy immediately after treatment 83.6 with mime therapy at 3 months 85.3 with mime therapy at 12 months	P value not reported
RCT	48 people with peripheral facial paralysis for at least 9 months In review	Mean pout index 12 months 22.2 with mime therapy immediately after treatment 23.5 with mime therapy at 3 months 24.2 with mime therapy at 12 months	P value not reported
Systematic review	34 people with chronic Bell's palsy Data from 1 RCT	Recovery of facial grading with exercises with waiting list control Absolute results not reported	Mean difference 20.40 95% CI 8.76 to 32.04	Effect size not calculated	exercises
Systematic review	34 people with chronic Bell's palsy Data from 1 RCT	Recovery on the FDI social domain (0 to 100) with exercises with waiting list control Absolute results not reported	Mean difference 14.50 95% CI 4.85 to 24.15	Effect size not calculated	exercises
Systematic review	34 people with chronic Bell's palsy Data from 1 RCT	Recovery on the FDI physical domain with exercises with waiting list control Absolute results not reported	Mean difference +10.30 95% CI –1.37 to +21.97		Not significant
Systematic review	145 people; uncertain duration of Bell's palsy Data from 1 RCT	Proportion of people with incomplete recovery 3 months 6/85 (7%) with exercises 7/60 (12%) with waiting list control	RR 0.61 95% CI 0.21 to 1.17		Not significant