Table 1 Clinical evaluations for the total cohort, one-sided TKA, and bilateral TKA

Flexion

112 (82 to 135) (106 to 120)

112 (82 o 135) (106 to 120)

111 (90 to 127) (105 to 119)

-Diff

-5 (-42.3 to 21) (-12 to 2)

-10.4 (-42 to 21) (-14 to -4)

N/A

EXT

2 (-12 to 16) (0 to 6)

2 (-6 to 16) (0 to 6)

3 (-12 to 15) (0 to 6)

-Diff

0 (-12 to 16) (-2 to 4)

2 (-8 to 16) (0 to 6)

N/A

ROM

115 (80 to 147)

116 (80 to 147) (108 to 124)

115 (91 to 132) (107 to 122)

-Diff

-5 (-44 to 25)

-9 (-44 to 25) (-15 to 3)

N/A

Algometry

11 (0 to 36) (7 to 14)

10 (0 to 25) (6 to 15)

11 (3 to 37) (8 to 14)

-Diff

-2 (-16 to 10) (-6 to 1)

-4 (-17 to 10) (-8 to 1)

N/A

Sit-up test

14 (3 to 27) (11 to 15)

14 (3 to 27) (12 to 15)

14 (3 to 21) (11 to 15)

218 (43 to 405) (172 to 268)

222 (79 to 405) (172 to 268)

217 (43 to 390) (177 to 268)

TUG

10 (6 to 33) (8 to 11)

9 (6 to 23) (8 to 11)

9 (6 to 33) (8 to 11)

BMI at evaluation

31 (21 to 44) (28 to 32)

31 (21 to 44) (27 to 33)

31 (25 to 43) (29 to 33)