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Table 1 Descriptive statistics in patient-reported outcomes and knee functions across time (N = 102)

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

 M (SD)
Baseline2 months4 months6 months
STAIa20.22 (9.67)19.14 (9.34)19.47 (9.64)19.07 (8.19)
GDS2.75 (2.56)2.99 (2.57)2.96 (2.37)2.87 (2.27)
VAS_L4.46 (2.42)3.02 (1.94)3.81 (1.99)4.23 (2.26)
VAS_R4.23 (2.01)3.04 (1.99)4.04 (2.04)4.42 (2.12)
IKDC52.94 (13.23)56.16 (12.28)54.26 (12.17)52.74 (12.12)
WOMAC pain4.53 (3.99)3.51 (3.28)4.28 (3.37)4.58 (3.64)
WOMAC stiffness1.58 (1.70)1.21 (1.45)1.40 (1.47)1.58 (1.51)
WOMAC physical function14.75 (13.84)11.78 (10.24)12.98 (10.24)13.95 (10.75)
WOMAC total score20.85 (17.92)16.52 (13.46)18.67 (13.68)20.09 (14.55)
  1. VAS_L, Visual Analogue Scale on left knee pain; VAS_R, Visual Analogue Scale on right knee pain; GDS, Geriatric Depression Scale; IKDC, The International Knee Documentation Committee Questionnaire; WOMAC, Western Ontario and McMaster University Osteoarthritis Index
  2. aState and trait anxiety inventory; only the state scale was used