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Table 3 Comparison of percentage of postoperative lower limb axis (within 3° deviation) and component positioning between the conventional and CN-TKA groups

From: Comparison of computer-navigated and conventional total knee arthroplasty in patients with Ranawat type-II valgus deformity: medium-term clinical and radiological results

 

No. of postoperative component positioning within 3°deviation

 

Group A

Group B

p-value

 

N = 36

N = 34

 

Mechanical axis within 3° deviation

30 (83.3%)

32 (94.1%)

0.267

Component positioning

Femoral valgus angle

35 (97.2%)

34 (100%)

1.000

Femoral flexion angle

20 (55.6%)

26 (76.5%)

0.136

Tibial valgus angle

36 (100%)

34 (100%)

-

Tibial flexion angle

33 (91.7%)

31 (91.2%)

1.000

  1. Group A: Knees undergoing conventional TKA.
  2. Group B: Knees undergoing CN-TKA.
  3. The values are given as the n (%).
  4. P values for between-group comparison were determined by chi-square tests.
  5. *Statistically significant (p value <0.05).