Table 1

Baseline patient characteristics for two reading exercises

Exercise 1 (OAI)Exercise 2
Mean (SD) unless specifiedInjection (n=40)Control (n=40)All (n=80)(Adalimumab) All (n=16)
Age (years)62.3 (8.5)62.3 (8.6)62.3 (8.6)57.8 (10.2)
Males (%)8 (20%)8 (20%)16 (20%)7 (35%)
Symptom duration (years)NANANA4.7 (4.2)
WOMAC pain (max. 20)5.0 (3.5)3.2 (3.9)4.1 (3.8)11.9 (3.5)
WOMAC function (max. 68)24.8 (16.6)15.6 (17.3)20.2 (17.5)43.6 (12.4)
Kellgren-Lawrence Grade2.9 (1.1)2.8 (1.1)2.9 (1.1)2.8 (0.4)
 K-L grade 0: n (%)1 (2.5%)1 (2.5%)2 (2.5%)0 (0%)
 K-L grade 1: n (%)5 (12.5%)5 (12.5%)10 (12.5%)0 (0%)
 K-L grade 2: n (%)6 (15%)6 (15%)12 (15%)4 (25%)
 K-L grade 3: n (%)16 (40%)16 (40%)32 (40%)12 (75%)
 K-L grade 4: n (%)12 (30%)12 (30%)24 (30%)0 (0%)
  • Max., maximum; NA, not available; OAI, Osteoarthritis Initiative; WOMAC, Western Ontario and McMaster Universities.