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)

Kalman et al. Nutrition Journal 2008 7:3   doi:10.1186/1475-2891-7-3