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Table 2 Perioperative data

From: Total knee arthroplasty in patients with Ranawat type-II valgus arthritic knee with a marked coronal femoral bowing deformity: comparison between computer-assisted surgery and intra-articular resection

Parameters CAS-TKA Bone-Resect-TKA P value
n = 22 n = 28
Perioperative data
 Total blood loss (ml) 601 (215–770) 762 (285–895) 0.071
 Difference of perioperative hemoglobin level (g/dL) 1.1 (0.4–2.1) 1.8 (0.6–2.5) 0.112
 Tourniquet time (minutes) 111 (68–117) 109 (72–129) 0.532
 Lateral retinaculum for patellar tracking 2 (9.1 %) 12 (42.9 %) 0.008*
 Bone grafting 10 (45.5 %) 12 (42.9 %) 0.540
  1. Data are mean (range) or (%). P for between-group comparisons was determined using χ 2 tests for categorical variables and t tests for continuous variables
  2. CAS-TKA knees treated with computer-assisted surgery—total knee arthroplasty, Bone-Resect-TKA knees treated with intra-articular bone resection—total knee arthroplasty
  3. *Statistically significant (p < 0.05)