A Systematic Review and Meta-Analysis Estimating the Expected Dropout Rates in Randomized Controlled Trials on Yoga Interventions

Table 4

Estimated dropout rates for yoga interventions as a function of participant characteristics (medical condition, gender, and age groups). CI: confidence interval.

Condition	Number of studies	Rate [95% CI]
Medical conditions	121	12.48 10.83, 14.13
Healthy	47	9.34 7.16, 11.51
Test for subgroup differences: Chi^2 = 5.09, df = 1 (),
Condition, specific	Number of studies	Rate [95% CI]
Musculoskeletal	21	7.54 4.53, 10.55
Cardiovascular	16	16.50 11.03, 21.96
Psychiatric	22	11.60 7.38, 15.83
Oncologic	16	18.04 11.12, 24.96
Pulmonary	9	12.95 5.63, 20.28
Neurological	10	12.87 7.22, 18.52
Endocrine	6	9.17 1.75, 16.60
Urogenital	10	11.94 9.00, 14.89
Digestive	2	0.83 −2.90, 4.55
Pregnancy	7	24.22 12.38, 36.07
HIV	2	22.20 4.30, 40.09
Test for subgroup differences: Chi^2 = 47.67, df = 10 (),
Gender	Number of studies	Rate [95% CI]
Male only	10	3.16 −0.17, 6.50
Female only	49	14.19 11.36, 17.02
Mixed gender	106	10.98 9.37, 12.59
Test for subgroup differences: Chi^2 = 25.44, df = 2 (),
Age groups	Number of studies	Rate [95% CI]
Children and adolescents only	7	5.62 2.44, 8.80
Adolescents and adults	2	26.61 11.37, 41.85
Adults only	82	11.20 9.33, 13.06
Elderlies only	10	10.06 4.62, 15.50
Adults and elderlies	67	12.86 10.60, 15.12
Test for subgroup differences: Chi^2 = 17.74, df = 4 (),