Table 2

Between-groups comparison for pain, function and general health scores on three evaluations

T0T30T60
CGEGCGEGMean differenceCGEGMean differencep Value (ANOVA)
VAS for pain (range 0–10 cm)5.48 (1.23)5.63 (1.02)6.05 (1.35)5.28 (0.92)−0.775.95 (1.40)3.84 (1.44)−2.11<0.001*
Lequesne (0–24)14.59 (3.6)15.7 (3.3)14.6 (3.37)14.28 (3.53)−0.321s5.09 (3.60)12.56 (3.47)−2.53<0.001*
WOMAC (0–96)47.69 (14.7)54.1 (14.2)47.7 (15.36)49.56 (15.05)1.8647.28 (14.71)46.22 (15.88)−1.060.051
SF-36 (0–100)
 Physical functioning28.9 (13.0)35.9 (17.5)33.9 (15.59)37.13 (14.78)3.2335.94 (18.94)45.00 (15.08)9.060.078
 Role physical22.7 (24.07)23.4 (31.7)24.34 (31.51)32.97 (29.64)8.6326.06 (28.33)42.81 (30.21)16.750.001*
 Bodily pain46.1 (15.3)48.7 (15.1)47.7 (23.00)53.16 (17.59)5.4646.03 (20.34)60.19 (19.38)14.16<0.001*
 General health57.3 (21.0)49.0 (21.7)51.7 (18.97)55.97 (19.99)4.2756.81 (23.55)58.87 (24.13)2.060.056
 Vitality38.8 (22.1)40.5 (25.2)41.6 (22.70)46.13 (20.94)4.5338.59 (28.40)54.09 (26.28)15.50.658
 Social functioning48.8 (20.0)51.7 (22.57)49.5 (20.80)54.89 (20.02)5.3949.22 (19.56)57.16 (17.29)7.940.597
 Role emotional24.1 (30.6)25.5 (31.9)19.3 (23.90)36.71 (31.62)17.4124.90 (29.37)42.98 (29.63)18.080.893
 Mental health44.6 (22.6)46.4 (24.7)46.1 (18.42)52.00 (21.82)5.951.10 (20.79)58.81 (19.62)7.710.568
Use of NSAID (pills/month), median25192516.5
p Value (t test)0.010*<0.001*
Cane use (min/day)45 (9.80)74 (13.24)
  • * Statistically significant p value (<0.05).

  • ANOVA, analysis of variance; BMI, body mass index; EG, experimental group; CG, control group; NSAID, non-steroidal anti-inflammatory drug; T0, baseline; T30, evaluation after 30 days; T60, evaluation after 60 days; VAS, visual analogue scale; WOMAC, Western Ontario and McMaster Universities questionnaire.