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Table 1 Demographic data of the patients in 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

Parameters Group A Group B  
  N = 36 N = 34 p-value
Age (years) 70.6 (53–86) 70.3 (50–85) 0.895
Operation site    0.332
  Right 22 24  
  Left 14 10  
Body height (cm) 155.6 (147.0 – 171.5) 154.4 (133.0 – 174.0) 0.716
Body weight (kg) 65.7 (47.2 – 79.1) 66.5 (35.4 – 95.3) 0.504
Body mass index (kg/m 2 ) 26.8 (21.8 – 31.1) 27.1 (19.8 – 38.1) 0.324
Reason for surgery   1.000
  Primary osteoarthritis 35 (97.2 %) 33 (97.1 %)  
  Rheumatoid arthritis 1 (2.8 %) 1 (2.9 %)  
Hospital stay (days) 6.8 (5–10) 6.3 (4–10) 0.114
Follow-up time (years) 6.7 (5–11) 6.1 (5–10) 0.148
  1. Group A: Knees undergoing conventional TKA.
  2. Group B: Knees undergoing CN-TKA.
  3. The values are given as the mean with the range in parentheses or (%) where appropriate.
  4. P-values for between-group comparison were determined by chi-square tests for categorical variables, and the t test for continuous variables.
  5. *Statistically significant (p value <0.05).