| Variable | Probability of undertesting of chest, OR (95% CI) | Probability of overtesting of abdomen, OR (95% CI) | ||
|---|---|---|---|---|
| Univariate | Multivariate | Univariate | Multivariate | |
| Male v. female | 0.95 (0.76-1.17) | 0.90 (0.70-1.17) | 0.90 (0.74-1.11) | 0.97 (0.76-1.25) |
| Age at procedure, yr (> 75 v. < 75) | 1.39 (1.00-1.93) | 1.43 (0.96-2.12) | 0.80 (0.58-1.02) | 1.02 (0.68-1.51) |
| High grade (yes v. no) | 0.84 (0.68-1.03) | 0.67 (0.51-0.87) | 0.67 (0.55-0.82) | 0.97 (0.75-1.24) |
| Positive surgical margin (yes v. no) | 1.16 (0.78-1.75) | 0.84 (0.51-1.38) | 0.89 (0.60-1.32) | 1.61 (0.98-2.64) |
| Radical nephrectomy (yes v. no) | 1.06 (0.86-1.30) | 0.61 (0.45-0.82) | 0.62 (0.51-0.76) | 1.06 (0.80-1.39) |
| Histologic type* | ||||
| Other renal cell carcinoma | Reference | Reference | Reference | Reference |
| Low risk | 1.24 (0.99-1.57) | 3.14 (1.51-6.50) | 0.94 (0.75-1.18) | 0.69 (0.37-1.29) |
| Conventional clear cell | 0.89 (0.71-1.12) | 2.28 (1.12-4.48) | 1.08 (0.87-1.34) | 0.87 (0.48-1.56) |
| Cancer stage | ||||
| pT1 | Reference | Reference | Reference | Reference |
| pT2 | 3.00 (2.11-4.26) | 5.36 (3.37-8.54) | 0.90 (0.63-1.26) | 0.71 (0.46-1.09) |
| pT3 | 1.42 (1.12-1.81) | 2.64 (1.86-3.74) | 0.27 (0.21-0.35) | 0.23 (0.16-0.32) |
| Smoker (yes v. no) | 0.81 (0.60-1.09) | 0.88 (0.64-1.22) | 1.03 (0.78-1.36) | 0.96 (0.71-1.30) |
| Family history of kidney cancer (yes v. no) | 1.39 (0.90-2.07) | 1.48 (0.91-2.40) | 0.92 (0.61-1.39) | 1.04 (0.64-1.69) |
Note: CI = confidence interval, OR = odds ratio.
*Primary histologic type from pathology report; low-risk category includes papillary and chromophobe renal cell carcinoma.