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Table 3 Primary and secondary outcome measures during the TargET intervention period and in the preceding 6 year CAS(K) observational period

From: Impairment-targeted exercises for older adults with knee pain: a proof-of-principle study (TargET-Knee-Pain)

    CAS(K) (Observational period) TargET (Intervention period)
   N Baseline 18 mo 36 mo 54 mo 72 mo Baseline 6 wk 12 wk
Knee flexion ROM (degrees) Mean (SD) 28 123.7 (14.1) - 119.8(15.6) - 114.8(11.6) 113.4(10.6) 119.4(9.3) 123.1(8.5)
Quadriceps isometric strength (KgF) Mean (SD) 13 16.3(9.5) - 15.4 (8.4) - 11.2(5.7) 12.7(8.9) 17.1(8.1) 21.9(6.1)
Single-leg standing balance time (sec) Median (IQR) 41 6.0(9.0) - 3.5(8.0) - 2.0 (1.0) 3.0(3.75) 5.0(14.5) 9.0(23.25)
WOMAC Pain (0–20) Mean (SD) 58 5.6(4.3) 6.4 (4.2) 7.5(3.9) 7.5(4.2) 7.7(3.8) 7.5(3.7) 5.7(3,7) 5.3(3.4)
WOMAC Stiffness (0–8) Mean (SD) 58 2.7 (1.9) 3.0(1.8) 3.2(2.0) 3.5(1.9) 3.7(1.5) 3.5(1.6) 2.9(1.9) 2.7(1.9)
WOMAC Physical Function (0–68) Mean (SD) 58 19.3(15.0) 22.5(15.1) 23.2(13.8) 25.6(15.4) 27.4(13.3) 25.9(12.8) 22.1(13.5) 20.7(13.0)