Table 5.

Usage of rescue medication (acetaminophen 500 mg) during the study

Data	Study group		P value
	Hyal-Joint® (n = 11)	Placebo (n = 9)
Subjects using rescue medication
Randomization to week 4, n = 12	6	6	1.00
Week 4 to week 8, n = 12	6	6	1.00
Usage during the first 4 weeks
Mean number of capsules (SD)	3.1 (4.2)	6.8 (6.0)	0.172
Capsules per week (range)	1.2 (0 – 12.1)	7 (0 – 16.5)
Usage during the study
Mean number of capsules (SD)	2.0 (3.0)	4.3 (3.6)	0.184
Capsules per week (range)	1.1 (-0.7 – 8.5)	3.6 (0 – 9.5)