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Table 3 Questionnaire (mean (SD) unless otherwise indicated)

From: A randomized double-blind placebo-controlled trial to investigate the effectiveness and safety of a novel green-lipped mussel extract -BioLex® -for managing pain in moderate to severe osteoarthritis of the hip and knee

  n Biolex Control p-value
Week   0 6 12 15 0 6 12 15  
Pain VAS 75 5.3 (2.1) 4.6 (2.4) 5.0 (2.8) 5.2 (2.4) 4.5 (2.1) 4.9 (2.0) 4.6 (2.3) 4.3 (2.1) 0.110
WOMAC-A 75 7.7 (3.4) 7.2 (4.2) 6.6 (4.5) 6.5 (4.2) 8.0 (3.2) 7.6 (3.5) 7.4 (4.2) 7.3 (3.5) 0.955
WOMAC-B 75 3.5 (1.6) 3.7 (1.6) 3.5 (2.0) 3.0 (1.6) 3.9 (1.4) 3.6 (1.9) 3.3 (1.6) 3.7 (1.4) 0.046
WOMAC-C 75 26.0 (14.0) 27.0 (14.0) 24.0 (15.0) 23.0 (13.0) 28.0 (10.0) 26.0 (14.0) 24.0 (12.0) 25.0 (13.0) 0.798
WOMAC-Total 75 37.0 (17.0) 38.0 (19.0) 34.0 (21.0) 32.0 (18.0) 40.0 (14.0) 38.0 (18.0) 34.0 (17.0) 36.0 (17.0) 0.884
OA QoL 75 7.4 (5.9) 7.1 (5.5) 6.6 (6.0) 6.2 (5.4) 7.5 (5.6) 7.0 (6.0) 6.4 (6.0) 6.8 (6.3) 0.805
Physician global assessment 67 5.7 (1.3)    5.6 (1.9) 5.7 (1.9) 5.7 (1.5)    5.6 (1.9) 5.3 (1.5) 0.312
Patient global assessment 67 5.3 (1.8)    4.9 (2.3) 5.4 (1.9) 5.2 (1.8)    4.7 (2.0) 4.8 (1.8) 0.101
HAQa 68 0.9 (0.6)    0.8 (0.6)    0.9 (0.6)    0.8 (0.6)    0.864
  1. aMedian (IQR)