Clinical Study

Short Term Recovery of Function following Total Knee Arthroplasty: A Randomised Study of the Medial Parapatellar and Midvastus Approaches

Table 1

Mean (std) values of the preoperative measures for the medial parapatellar (MP) and midvastus (MV) groups.

Intention to treatPer protocol
MP ()MV () valueMP ()MV () value

Age (yrs)70 (8)73 (8)0.22771 (7)74 (8)0.371
Gender (male : female)
BMI (kg/m2)29.3 (3.4)31.1 (4.4)0.24028.9 (2.6)31.2 (4.3)0.056
TUG (s)11.5 (4.1)11.3 (2.9)0.87410.5 (2.3)11.5 (2.9)0.406
Active flexion (°)111 (13)106 (19)0.434109 (13)105 (18)0.519
Extensor strength (Nm/kg)0.50 (0.21)0.48 (0.18)0.8080.52 (0.22)0.45 (0.18)0.533
WOMAC pain (max 20)*9.4 (3.3)8.7 (3.1)0.5379.4 (3.2)8.6 (3.1)0.427
WOMAC stiffness (max 8)*4.8 (1.2)3.8 (1.5)0.0484.8 (1.8)3.9 (1.5)0.054
WOMAC function (max 96)*31.2 (9.4)28.0 (10.3)0.40230.3 (10.1)27.1 (11.0)0.495

A higher value means more pain, more stiffness, and a decreased function.
Fisher’s exact test.