Nutrition Journal

Table 3 Quality of Life for treatment group compared to control group before and after clinical study

From: Effects of AR7 Joint Complex on arthralgia for patients with osteoarthritis: Results of a three-month study in Shanghai, China

	Before ( $\bar{X}$ ± S)			After ( $\bar{X}$ ± S)
Items	Treatment (n = 44)	Control (n = 45)	P Value	Treatment (n = 44)	Control (n = 45)	P Value
PF	50.57 ± 25.00	52.44 ± 25.97	0.729	61.82 ± 26.31*	55.78 ± 25.69	0.276
PHP	40.10 ± 6.05	43.76 ± 6.52	0.690	54.55 ± 40.22*	58.89 ± 42#	0.636
BP	50.82 ± 14.36	51.64 ± 15.92	0.798	64.07 ± 14.22*	55.76 ± 18.00	0.020
VT	54.55 ± 15.58	58.78 ± 14.89	0.194	58.41 ± 14.21*	61.89 ± 15.79	0.278
SF	73.99 ± 16.24	69.63 ± 17.63	0.229	74.24 ± 13.51	77.28 ± 18.49	0.379
EHP	16.29 ± 19.85	24.81 ± 23.20	0.066	53.03 ± 47.31*	52.60 ± 45.22*	0.965
MH	60.82 ± 13.46	66.40 ± 16.52	0.085	65.64 ± 13.18*	67.91 ± 16.35	0.472
GH	49.54 ± 14.45	52.43 ± 15.94	0.373	61.68 ± 19.68*	61.44 ± 19.85*	0.955

*: P < 0.01;
#: P < 0.05.
PF: physical function (or limitations of activity); PHP, physical health problems; BP, body pain; VT, vitality; SF, social function (or social activities); EHP, emotional health problems, MH, mental health (or energy and emotions); and GH, general health.

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