Osteopathic Medicine and Primary Care

Table 5 Effect Sizes (Cohen's d) for Each Statement for Treatment Groupings*

From: Patient expectations for placebo treatments commonly used in osteopathic manipulative treatment (OMT) clinical trials: a pilot study

	HVLA & ULTRA	ULTRA & LT	HVLA & LT
S1	-0.29	-0.21	-0.49
S2	-0.11	-0.31	-0.38
S3	-0.41	-0.09	-0.47
S4	-0.21	0	-0.19

*HVLA – High-Velocity Low-Amplitude; ULTRA = Sub-therapeutic Ultrasound;
LT = Light Touch.
Cohen's d – 0.2 small effect; 0.5 moderate effect; 0.8 large effect [18].

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