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Table 4 Analysis of time and interventionxtime interaction effects on static and dynamic quadriceps muscle strength and thigh girth

From: Effectiveness of three modes of kinetic-chain exercises on quadriceps muscle strength and thigh girth among individuals with knee osteoarthritis

Variable F p Partial Eta Square
SQS (N)
 Time 82.015 <0.001 0.469
 Intvn*time 1.115 0.347 0.023
DQS(N)
 Time 35.113 <0.001 0.274
 Intvn*time 0.225 0.834 0.005
TG (cm)
 Time 1.864 <0.001 0.426
 Intvn*time 0.174 0.984 0.004
Bonferroni post-hoc analysis of time effects
  SQS (N)   DQS (N)   TG (cm)  
Time point
(weeks)
Mean Difference (95% CI) P Mean Difference (95% CI) p Mean Difference (95% CI) P
0 vs 4 1.33 (0.93–1.73) <0.001 0.25 (0.18–0.32) <0.001 0.38 (0.21–0.54) <0.001
0 vs 8 2.32 (1.87–2.77) <0.001 0.47 (0.38–0.56) <0.001 1.04 (0.71–1.37) <0.001
0 vs 12 3.30 (2.52–4.08) <0.001 0.74 (0.45–1.02) <0.001 1.32 (0.93–1.72) <0.001
4 vs 8 0.99(0.82–1.16) <0.001 0.22 (0.17–0.27) <0.001 0.67 (0.46–0.87) <0.001
4 vs 12 1.97 (1.21–2.73) <0.001 0.49 (0.21–0.77) <0.001 0.95 (0.67–1.23) <0.001
8 vs 12 0.98 (0.25–1.71) 0.003 0.27 (0.00–0.54) 0.045 0.28 (0.06–0.51) 0.007
  1. p < 0.05
  2. Vs Versus, Intvn Intervention, SQS Static quadriceps muscle strength, DQS Dynamic quadriceps muscle strength, TG Thigh girth