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Table 2 Cup and stem size templating accuracy; comparing resident and fellow

From: Determining the accuracy of preoperative total hip replacement 2D templating using the mediCAD® software

  Patients Cup accuracy (N = 391) Patients Stem accuracy (N = 346)
 ± 0  ± 1  ± 2  ± 0  ± 1  ± 2
Total 391 (100%) 28.9% 63.9% 83.1% 346 (100%) 27.2% 61.0% 78.6%
Physician
 Resident 193 (49.4%) 30.1% 68.9% 85.5% 163 (47.1%) 28.2% 57.7% 78.5%
 Fellow 198 (50.6%) 27.8% 59.1% 80.8% 183 (52.9%) 26.2% 63.9% 78.7%
 P value*   0.62 0.043 0.22   0.68 0.23 0.97
Month at arthroplasty course (first vs. second) 273 (100%)     238 (100%)    
 First month 118 (43.2%) 26.3% 71.2% 89.0% 100 (42.0%) 31.0% 58.0% 76.0%
 Second month 155 (56.8%) 33.5% 63.9% 82.6% 138 (58.0%) 25.4% 55.8% 79.0%
 P value**   0.20 0.20 0.14   0.34 0.74 0.59
Fellow templating 198 (100%)     183 (100%)    
 First 3-months 114 (57.6%) 30.7% 63.2% 85.1% 106 (57.9%) 24.5% 63.2% 79.2%
 Second 3-months 84 (42.4%) 23.8% 53.6% 75.0% 77 (42.1%) 28.6% 64.9% 77.9%
 P value*   0.29 0.18 0.08   0.54 0.81 0.83
  1. Bold values are statistically significant values
  2. P value* = Chi-square test