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Table 1 Participant demographics

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

  Overall (n = 80) Intervention (n = 39) Control (n = 41)
Sex-malea 36 (45) 17 (44) 19 (46)
Ageb 66.4 (10.0) 66.5 (10.8) 66.3 (9.3)
Ethnicity (total responsed)a
 European 77 (96) 38 (97) 39 (95)
 Māori 4 (5) 1 (3) 3 (7)
 Pacific Peoples 1 (1) 0 1 (2)
 BMIb 30.1 (5.4) 29.4 (5.1) 30.7 (5.6)
 Pre-enrolment pain scaleb 5.3 (2.0) 5.4 (2.0) 5.2 (2.0)
 Pre-enrolment HAQ (Anglicized)c 0.75 (0.75) 0.75 (0.50) 0.75 (1.0)
Kellgren-Lawrence x-ray gradea
 1 7 (9) 3 (7) 4 (10)
 2 15 (19) 6 (15) 9 (22)
 3 18 (23) 12 (31) 6 (15)
 4 40 (50) 18 (46) 22 (54)
Pre-enrolment Global assessmentb
 physician 5.7 (1.4) 5.7 (1.3) 5.7 (1.5)
 patient 5.2 (1.8) 5.3 (1.8) 5.2 (1.8)
missing 1 0 1
  1. an (%) bmean (SD) cmedian (IQR) dPercentages could add to more than 100 as participants could identify with more than one ethnicity