Chinese herbal recipe versus diclofenac in symptomatic treatment of osteoarthritis of the knee: a randomized controlled trial [ISRCTN70292892]

Table 6 VAS that assessed physician's and patients' overall opinions on improvement^a during treatment (intent-to-treat data set).

Variable	Treatment group	n	Week 1	Week 2	Week 3	Week 4
Physician's overall opinion	DJW	98^b	56.69 (11.32)	57.30 (11.32)	60.06 (12.47)	62.55 (11.67)
	Diclofenac	97^b	59.84 (7.53)	59.63 (7.74)	62.11 (7.57)	63.35 (7.90)
Patients' overall opinion	DJW	98^b	32.58 (23.18)	45.53 (24.74)	58.10 (26.84)	71.13 (24.68)
	Diclofenac	97^b	37.48* (18.59)	50.24 (18.79)	62.88 (19.75)	75.30 (17.95)

Data represent mean (SD). ^a0 = no improvement, 100 = best possible improvement. ^b2 patients in the DJW group and 3 patients in the diclofenac group could not be assessed due to loss to follow up or withdrawal during week 0. *p < 0.05 versus the DJW group at the corresponding week.

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