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Table 3 Comparison of surgical data

From: Robotics versus personalized 3D preoperative planning in total knee arthroplasty: a propensity score-matched analysis

  3D preoperative planning group
(n = 104)
Robotics group
(n = 52)
P value
Operation time (min) 92.2 ± 16.4 130.1 ± 26.9 < 0.001
Tourniquet time (min) 56.6 ± 13.5 96.1 ± 15.1 < 0.001
Length of hospital stay (day) 8.3 ± 1.5 8.5 ± 3.2 0.532
Hb loss 1 day (g/L) 19.5 ± 9.7 9.6 ± 9.1 < 0.001
Hb loss 3 days (g/L) 35.6 ± 13.9 22.9 ± 13.6 < 0.001
  1. Hb, hemoglobin. The t test was used for all. P value in bold indicates statistical significance