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Mean changes in clinic systolic blood pressure (SBP, left) and diastolic blood pressure (DBP, right) with standard errors of means. The P values are for repeated measures ANCOVA comparing each experimental group (TM or PMR) to control (EC). TM, Transcendental Meditation group (n=36); PMR, progressive muscle relaxation group (n=33); EC, lifestyle education control group (n=35). (Source: Schneider et al42 reprinted with permission.)
