Table 3. Inter-group comparison of the changes for outcome measurements.

Outcomes	PP-Continuous minus PP-Pulsed						PP-Continuous minus PP-Sham						PP-Pulsed minus PP-Sham
	Difference of the changes						Difference of the changes						Difference of the changes
	Post-intervention			3rd-month follow-up			Post-intervention			3rd-month follow-up			Post-intervention			3rd-month follow-up
	Mean	95% CI	Effect size (d)	Mean	95% CI	Effect size (d)	Mean	95% CI	Effect size (d)	Mean	95% CI	Effect size (d)	Mean	95% CI	Effect size (d)	Mean	95% CI	Effect size (d)
VAS-Rest	-2.9*	-5.2/-0.6	0.37	0.7	-7.9/6.5		-6.9*	-13.4/-0.4	0.94	-5.0	-12.5/2.5		-4.1	-10.6/2.4		-4.3	-11.7/3.1
VAS-Activity	-8.4	-18.6/ 1.8		-4.5	-14.8/ 5.8		-18.3*	-28.9/-7.7	1.14	-14.5*	-25.1/-3.8	0.80	-9.9*	-19.7/-0.1	0.67	-10.0*	-19.4/-0.6	0.62
QuickDASH	4.9	-3.0/12.8		7.1	-1.2/ 15.4		-6.6*	-11.7/-1.5	0.49	-7.7*	-14.5/-0.9	0.54	-11.5*	-19.5/-3.5	1.17	-14.8*	-23.3/-6.3	1.05
NHP-Pain	7.6	-3.0/14.2		11.1*	0.4/21.8	0.54	-5.3*	-7.3/-3.3	0.50	1.6	-9.5/12.7		-12.9*	-21.4/-4.4	0.76	-9.5*	-18.6/-0.4	0.58
NHP-EL	3.8	-6.3/13.8		12.3*	0.9/ 23.7	0.67	-1.5	-11.9/8.9		-0.4	-12.3/11.4		-5.3	-15.6/5.0		-12.7*	-24.4/-1.0	0.61
NHP-PM	-0.4	-7.0/ 6.2		2.0	-6.2/10.2		-7.0*	-13.8/-0.2	0.69	-2.6	-11.1/5.9		-6.6*	-13.0/-0.2	0.39	-4.6	-13.0/3.9
PP-Continuous: Phonophoresis with continuous mode; PP-Pulsed: Phonophoresis with pulsed mode; PP-Sham: Phonophoresis with sham ultrasound; VAS: Visual Analog Scale; QuickDASH: Short version of Disabilities of the Arm, Shoulder and Hand Questionnaire; NHP: Nottingham Health Profile; EL: Energy level; PM: Physical mobility; * p<0.05.