Table 18Observational analytical studies: number of control groups by meditation practice

Meditation practiceNumber of controls Total
1 N (%)2 N (%)3 N (%)4 N (%)
Mantra meditation136 (82.4)23 (13.9)5 (3.0)1 (0.6)165
Mindfulness meditation17*52...24
Meditation practice (ND)1...1...2
Miscellaneous meditation practices3...115
Qi Gong824115
Tai Chi166......22
Yoga26 (15.8)7 (4.2)......33
Total20743133266
*

Percentages are reported for N ≥ 20 only

ND = not described

From: 3, Results

Cover of Meditation Practices for Health
Meditation Practices for Health: State of the Research.
Evidence Reports/Technology Assessments, No. 155.
Ospina MB, Bond K, Karkhaneh M, et al.

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