Table 1.
Patient characteristics stratified by diabetes status
| Variable | Nondiabetic N = 10,491 |
Diabetic N = 4,478 |
P value∗ |
|---|---|---|---|
| Age (mean ± SD) | 61.3 ± 10.6 | 60.0 ± 9.6 | <.001 |
| Race (%) | <.001 | ||
| White | 3,767 (42.4) | 1,458 (36.5) | |
| Non-white | 5,121 (57.6) | 2,538 (63.5) | |
| Elixhauser Comorbidity Index (%) | <.001 | ||
| <1 | 6,781 (64.6) | 3,065 (68.4) | |
| 1 | 3,145 (30.0) | 1,119 (25.0) | |
| >1 | 565 (5.4) | 294 (6.6) | |
| Insurance (%) | .001 | ||
| Private | 4,654 (57.2) | 2,077 (55.7) | |
| Medicare | 3,111 (38.2) | 1,416 (38.0) | |
| Medicaid/Other gov | 376 (4.6) | 234 (6.3) | |
| Era of initial surgery (%) | <.001 | ||
| Preantibiotic-coated IPP | 4,244 (72.5) | 1,613 (27.5) | |
| Antibiotic-coated IPP | 6,247 (68.6) | 2,865 (31.4) | |
| Annual surgeon volume (%) | .016 | ||
| 0–2 | 2,612 (24.9) | 1,135 (25.3) | |
| 3–7 | 2,557 (24.4) | 1,187 (26.5) | |
| 8–31 | 2,641 (25.2) | 1,080 (24.1) | |
| >31 | 2,681 (25.6) | 1,076 (24.0) |
IPP = inflatable penile prosthesis.
∗
P values are derived from chi-square test (categorical variables) and t-test (continuous variables).