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Table 4 Results of the mental health dimension of the SF-36v2 in 16 evaluable subjects

From: Effect of a natural extract of chicken combs with a high content of hyaluronic acid (Hyal-Joint®) on pain relief and quality of life in subjects with knee osteoarthritis: a pilot randomized double-blind placebo-controlled trial

Study groups and time points

SF-36v2 scores, mean (SD)

 

Vitality

Social functioning

Role-emotional

Mental health

Hyal-Joint® (n = 8)

    

   Baseline

49.4 (9.9)

38.4 (10.1)

36.9 (10.9)

42.3 (18.8)

   Week 4

50.9 (4.4)

46.6 (8.5)

44.2 (5.5)

49.7 (13.3)

   Week 8

52.1 (4.7)

43.2 (12.4)

42.3 (10.2)

44.4 (16.3)

   Change baseline vs week 4

1.6 (9.9)

8.2 (8.8)

7.3 (7.3)

7.4 (12.2)

P value

0.669

0.033

0.026

0.131

   Change baseline vs week 8

2.7 (11.9)

4.8 (12.5)

5.4 (8.8)

2.1 (15.2)

P value

0.537

0.318

0.129

0.707

Placebo (n = 8)

    

   Baseline

49.8 (12.3)

44.6 (11.6)

39.4 (13.4)

48.3 (9.9)

   Week 4

49.4 (9.1)

49.3 (8.2)

38.9 (11.6)

49.7 (10.9)

   Week 8

53.3 (6.5)

46.6 (8.9)

44.7 (9.6)

52.5 (8.4)

   Change baseline vs week 4

-0.4 (8.4)

4.8 (4.5)

-0.5 (7.0)

1.4 (9.4)

P value

0.897

0.021

0.843

0.684

   Change baseline vs week 8

3.5 (9.3)

2.0 (7.7

5.3 (6.2)

4.2 (9.7)

P value

0.323

0.477

0.045

0.258