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Table 3 Outcome comparisons between patients with Kellgren and Lawrence grades 2 and 3

From: Depression negatively affects patient-reported knee functional outcome after intraarticular hyaluronic acid injection among geriatric patients with knee osteoarthritis

 Baseline2 months4 months6 months
M (SD)t (p)M (SD)t (p)M (SD)t (p)M (SD)t (p)
Grade 2Grade 3Grade 2Grade 3Grade 2Grade 3Grade 2Grade 3
STAIa18.94 (9.55)23.29 (7.02)1.93 (0.06)16.92 (9.61)25.05 (10.21)3.25 (0.002)17.78 (9.21)23.95 (9.48)2.57 (0.01)17.49 (7.15)22.55 (9.59)2.50 (0.02)
Geriatric Depression Scale2.36 (2.32)3.86 (2.54)2.53 (0.01)2.41 (2.30)4.25 (2.22)3.14 (0.002)2.41 (1.87)4.30 (2.90)2.73 (0.01)2.34 (1.85)4.15 (2.87)2.64 (0.01)
VAS4.23 (2.43)5.14 (2.10)1.55 (0.13)2.70 (1.85)3.90 (2.00)2.48 (0.02)3.59 (1.98)4.20 (1.88)1.20 (0.24)4.08 (2.17)4.80 (2.46)1.23 (0.22)
IKDC55.48 (13.58)47.90 (9.26)2.91 (0.01)58.89 (11.81)50.15 (11.08)2.92 (0.004)56.69 (11.84)48.40 (11.30)2.74 (0.01)55.34 (11.55)46.80 (12.36)2.81 (0.01)
WOMAC pain4.33 (4.09)4.81 (3.53)0.48 (0.63)2.78 (2.55)4.90 (4.12)2.18 (0.04)3.92 (3.11)5.30 (4.13)1.58 (0.12)4.17 (3.56)5.70 (4.17)1.59 (0.12)
WOMAC stiffness1.41 (1.73)2.19 (1.44)1.89 (0.06)1.08 (1.42)1.40 (1.31)0.90 (0.37)1.24 (1.47)1.70 (1.38)1.24 (0.22)1.37 (1.50)2.25 (1.41)2.30 (0.02)
WOMAC physical function13.17 (13.40)19.33 (14.42)1.81 (0.07)9.24 (8.36)17.15 (11.82)3.32 (0.001)11.31 (9.35)17.80 (11.99)2.49 (0.02)12.46 (10.15)17.90 (12.62)1.95 (0.06)
WOMAC total score18.91 (18.14)26.33 (16.12)1.68 (0.10)13.13 (11.18)23.45 (14.65)3.33 (0.001)16.47 (13.07)24.80 (14.55)2.39 (0.02)17.98 (14.36)25.85 (15.47)2.08 (0.04)
  1. VAS, Visual Analogue Scale; DM, diabetes mellitus; IKDC, The International Knee Documentation Committee Questionnaire; WOMAC, Western Ontario and McMaster University Osteoarthritis Index
  2. Significant differences are shown in bold
  3. aState and Trait Anxiety Inventory; only the state scale was used