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Table 2 Comparisons of preoperative and postoperative variables between the two groups

From: Excellent outcomes with Oxford Uni-compartmental knee arthroplasty in anteromedial osteoarthritis patients (≤60 years) at mid-term follow-up

Variables Younger group(n = 96) Elderly group(n = 156) F value/x2 P value
Anaesthesia type    0.321 0.571
 general 76(79.2%) 128(82.1%)   
 spinal 20(20.8%) 28(17.9%)   
Hospital stay(d) 9.7 ± 1.9 10.2 ± 2.2 −1.73 0.086
Blood loss volume(ml) 82.6 ± 26.4 81.7 ± 23.3 0.258 0.796
Tourniquet time(min) 32.4 ± 3.0 33.1 ± 4.1 −1.569 0.118
Operative time(min) 82.0 ± 5.1 82.8 ± 4.7 −1.374 0.171
  1. Values are expressed as mean ± SD or number (percentage)