Table 1 Patient demographics of both the retrospective, multivariate linear regression model group and the prospective group used for comparison of digital templating and the demographic-based sizing equations
Retrospective cohort (n = 201) | Prospective cohort (n = 181) | |||||
|---|---|---|---|---|---|---|
Demographics | Number | Percentage | Demographics | Number | Percentage | |
Gender | Male | 73 | 36.3% | Male | 61 | 33.7% |
Female | 128 | 63.7% | Female | 120 | 66.3% | |
Laterality | Right | 107 | 53.2% | Right | 88 | 48.6% |
Left | 94 | 46.8% | Left | 93 | 51.4% | |
Ethnicity/race | White | 151 | 75.1% | White | 133 | 73.5% |
Black | 25 | 12.4% | Black | 27 | 14.9% | |
Hispanic | 15 | 7.5% | Hispanic | 17 | 9.4% | |
Asian | 5 | 2.5% | Asian | 2 | 1.1% | |
Middle Eastern | 3 | 1.5% | Middle Eastern | 1 | 0.6% | |
Indian | 2 | 1.0% | Indian | 1 | 0.6% | |
Mean | Standard deviation | Range | Mean | Standard deviation | Range | |
Age (years) | 66.0 | 9.9 | 42–89 | 65.8 | 9.7 | 44–86 |
BMI (kg/m2) | 33.6 | 7.1 | 20.2–57.9 | 34.2 | 7.1 | 20.4–62.2 |
Height (cm) | 168.3 | 10.7 | 139.7–198.1 | 167.4 | 10.7 | 134.6–193 |
Weight (kg) | 95.3 | 22.8 | 53–180.5 | 96.2 | 23.1 | 49.4–181.4 |