Skip to main content

Table 2 Distribution of surgical cases by indication, as determined by gold standard review

From: Validation of an electronic coding algorithm to identify the primary indication of orthopedic surgeries from administrative data

  Hip Arthroplasty/Hip OA Knee Arthroplasty/Knee OA Lumbar Spinal Surgery/Lumbar Spinal Stenosis Lumbar Spinal Surgery/Lumbar Herniated Disc Other Indication
Number of Surgeries 134 119 131 54 352
Average Age (Years) 62.5 67.3 66.9 52.5 58.3
Gender (Percent Female) 49.3% 62.2% 52.7% 53.7% 50.3%
Condition was Primary Indication (%) 128 (95.5%) 115 (96.6%) 127 (96.9%) 53 (98.1%) NAa
  1. OA = osteoarthritis
  2. aPrimary indications not determined for “Other” diagnoses