TABLE 3
FROM:
Impact of surgeon and surgical center characteristics on choice of permanent vascular access
Ann M O'Hare, R Adams Dudley, Denise M Hynes, Charles E Mcculloch, Daniel Navarro, Philip Colin, Kevin Stroupe, Joseph Rapp and Kirsten L Johansen
BACK TO ARTICLETable 3. Hierarchic logistic regression model for odds of arteriovenous (AV) fistula placement as the initial form of permanent vascular access for dialysis
| Patient-related variables | Odds ratio (95% CI) | P value |
|---|---|---|
| Age (per 10-year increase) | 0.92 (0.81, 1.05) | 0.21 |
| Female patient gender | 0.14 (0.05, 0.44) | <0.001 |
| African American race (vs. non-African American race) | 0.72 (0.52, 0.99) | 0.046 |
| Dialysis dependent at time of first access placement | 0.70 (0.51, 0.97) | 0.032 |
| History of diabetes | 0.79 (0.58, 1.07) | 0.13 |
| History of hypertension | 0.99 (0.53, 1.85) | 0.98 |
| History of coronary artery disease | 0.81 (0.58, 1.13) | 0.22 |
| History of congestive heart failure | 0.79 (0.57, 1.10) | 0.16 |
| History of peripheral vascular disease | 1.24 (0.88, 1.75) | 0.21 |
| History of cerebrovascular disease | 0.89 (0.64, 1.25) | 0.51 |
| Center-related variables | ||
| Center census region | ||
| West | 1.00 (Referent) | Referent |
| Northeast | 0.82 (0.47, 1.43) | 0.48 |
| South | 0.70 (0.43, 1.14) | 0.15 |
| Midwest | 1.05 (0.54, 2.03) | 0.89 |
| Center volume (number of initial procedures/year) | ||
| <10 | 1.00 (Referent) | Referent |
| 11–20 | 1.46 (0.75, 2.87) | 0.27 |
| 21–30 | 1.77 (0.79, 3.99) | 0.17 |
| >30 | 3.26 (1.37, 7.75) | 0.008 |
| Surgeons per center | ||
| 1 | 1.00 (Referent) | Referent |
| 2 | 0.62 (0.29, 1.32) | 0.21 |
| 3 | 0.75 (0.33, 1.68) | 0.48 |
4 | 0.68 (0.31, 1.51) | 0.34 |
| Chronic dialysis unit onsite | 0.70 (0.35, 1.41) | 0.32 |
| Surgeon-related variables | ||
| Male surgeon gender | 0.70 (0.37, 1.32) | 0.27 |
| Vascular surgeon (vs. other) | 1.03 (0.67, 1.57) | 0.91 |
| Years of experience | ||
10 | 1.00 (Referent) | Referent |
| 11–15 | 0.73 (0.41, 1.31) | 0.29 |
| 16–20 | 0.65 (0.35, 1.21) | 0.18 |
| 21–25 | 0.63 (0.30, 1.31) | 0.21 |
| >25 | 1.16 (0.58, 2.30) | 0.68 |
| Surgeon volume (number of procedures/year) | ||
| 1–5 | 1.00 (Referent) | Referent |
| 6–10 | 0.99 (0.65, 1.51) | 0.97 |
| 11–20 | 0.85 (0.49, 1.47) | 0.56 |
| >20 | 0.70 (0.33, 1.48) | 0.35 |
| Clustering effects | ||
| Surgeon | 1.55 (1.19, 2.03) | 0.001 |
| Surgical center | 1.14 (0.84, 1.55) | 0.40 |

4
10