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Table 2 Crude incidence of outcomes by primary diagnosis at total hip arthroplasty surgery

From: An underlying diagnosis of osteonecrosis of bone is associated with worse outcomes than osteoarthritis after total hip arthroplasty

  Osteoarthritis Osteonecrosis
  n % n %
Death, 90 days 138 0.3 15 0.7
Surgical site infection, any 367 0.8 27 1.2
 Deep, 1-yeara 230 0.5 13 0.6
 Superficial, 30-daysb 137 0.3 14 0.6
Venous thromboembolism, 90-days 551 1.2 31 1.4
 Deep vein thrombosisc 323 0.7 18 0.8
 Pulmonary embolismd 228 0.5 13 0.6
Readmission, 90 days unplannede 846 5.2 64 9.6
Revision, everf 1,075 2.4 70 3.1
  1. aDeep surgical site infection excluded patient who died or left the system within 1 year without deep SSI (1549, 3.3%), n = 45974 (96.7%)
  2. bSuperficial surgical site infection excluded patient who died or left the system within 30 days without superficial SSI (138, 0.3%), n = 47385 (99.7%)
  3. cDeep vein thrombosis (DVT) excluded patient who died or left the system within 90 days without DVT (376, 0.8%), n = 47147 (99.2%)
  4. dPulmonary embolism (PE) excluded patient who died or left the system within 90 days without PE (374, 0.8%), n = 47149 (99.2%)
  5. eReadmissions includes limited sample (operative years 2009–2012 and 3 geographical regions), n = 17179. Excluded patient who died or left the system within 90 days without readmission (85, 0.5%), final n = 17094 (99.5%)
  6. fThe median follow-up for revision outcome was 3.2 years (inter-quartile range, 1.4–5.8 years)