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Table 2 Comparison of VAS and LEFS scores in two groups

From: Comparison of simultaneous bilateral versus unilateral total knee replacement on pain levels and functional recovery

  Simultaneous bilateral TKR (n = 50)Unilateral TKR (n = 30)Fp-value
VASDay 08.9 (1.0)8.8 (1.1)0.0320.859
 Day 74.3 (1.5)4.6 (1.5)
 Day 302.2 (1.3)2.0 (1.5)
 Change6.76.80.650.522
 P-value (intra group)< 0.001  
LEFSDay 016.2 (10.1)19.1 (9.1)0.590.447
 Day 728.6 (11.5)30.2 (12.8)
 Day 3055.6 (14.6)56.7 (15.8)
 Change−39.4−37.60.270.765
 P-value (intra group)< 0.001  
  1. TKR Total knee replacement; VAS Visual analog scale (0–10 cm); LEFS Lower extremity functional scale (0–80); Data are mean (Standard deviation)