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Table 2 Clinical outcomes

From: Early postoperative clinical recovery of robotic arm-assisted vs. image-based navigated Total hip Arthroplasty

  rTHA (n = 30) nTHA (n = 30) p value
Surgical time (min) 135.1 ± 13.9 146.2 ± 12.8 0.002*
Intraoperative blood loss (mL) 548.5 ± 203.9 568.7 ± 178.6 0.69
Days to independent walking (days) 7.2 ± 2.0 11.5 ± 3.0 < 0.001*
Pain (NRS) POD 1 2.7 ± 1.2 3.0 ± 1.2 0.28
POD 3 2.2 ± 1.1 2.6 ± 1.3 0.3
POD 7 1.4 ± 0.9 2.2 ± 1.2 0.005*
POD 10 1.0 ± 0.8 1.8 ± 1.1 0.002*
POD 14 0.3 ± 0.5 1.1 ± 0.9 < 0.001*
HHS (points) preoperative 44.1 ± 6.4 44.2 ± 5.2 0.81
postoperative 85.3 ± 3.2 81.0 ± 8.5 0.01*
  1. Values are presented as average ± standard deviation. NRS numeric rating scale, POD postoperative days, HHS Harris Hip Score
  2. * Statistically significant difference