Table 1.
Patient demographics of partial nephrectomy before and after the publication of the T1a renal AUA guidelines recommendations
| Demographic | Before Guidelines | After Guidelines | p-value |
|---|---|---|---|
| N = 27357 (PN) | N = 34336 (PN) | ||
| N = 94457 (PN + RN) | N = 97314 (PN + RN) | ||
| Mean Age ± SE | 58.2 ± 0.2 | 58.4 ± 0.2 | 0.3888 |
| Age Group | 0.3325 | ||
| <60 | 14024(51.3) /44364 | 17228(50.2) /45978 | |
| ≥60 | 13333(48.7) /50093 | 17108(49.8) /51336 | |
| Gender | 0.1857 | ||
| Male | 15558(57.1) /53780 | 20015(58.4) /56715 | |
| Female | 11672(42.9) /40344 | 14245(41.6) /40406 | |
| Race | <0.0001 | ||
| Caucasian | 16714(61.1) /57803 | 23530(68.5) /66065 | |
| African-American | 2059(7.5) /7244 | 3190(9.3) /9575 | |
| Hispanic | 1540(5.6) /6125 | 2489(7.3) /7609 | |
| Asian | 440(1.6) /1681 | 567(1.7) /1752 | |
| Other | 6604(24.1) /21604 | 4558(13.3) 12313 | |
| Income (Zip Code) | 0.8705 | ||
| <$50,000 | 12000(45.1) /44943 | 15053(44.7) /46743 | |
| ≥$50,000 | 14609(54.9) /47486 | 18634(55.3) /48732 | |
| Hypertension | 15427(43.6) /56001 | 20009(58.3) /59732 | 0.0842 |
| Diabetes | 5702(20.8) /20288 | 7998(23.3) /23219 | 0.0056 |
| Obesity | 3493(12.8) /10846 | 5180(15.1) /13513 | 0.0114 |
| Chronic Kidney Disease | 1986(7.3) /12058 | 2697(7.9) /13685 | 0.2997 |
| CKD Stages | 0.6560 | ||
| Stage1 | 10(0.5) /25 | 30(1.1) /75 | 0.2353 |
| Stage2 | 83(4.2) /353 | 124(4.6) /439 | 0.5822 |
| Stage3 | 480(24.2) /1770 | 766(28.4) /2620 | 0.1144 |
| Stage4 | 146(7.3) /606 | 204(7.6) /819 | 0.6660 |
| Stage5/ESRD | 15(0.8) /182 | 24(0.9) /163 | 0.7484 |
| Stage unspecified | 1252(63.0) /9121 | 1548(57.4) /9568 | 0.9392 |
| Charlson Comorbidity Index | 0.3327 | ||
| 0 | 16780(61.3) /52204 | 20528(59.8) /53063 | |
| 1 | 6763(24.7) /21901 | 8965(26.1) /23394 | |
| 2 | 1948(7.1) /7365 | 2375(6.9) /7594 | |
| 3+ | 1866(6.8) /12988 | 2468(7.2) /13262 | |
| Insurance | 0.8561 | ||
| Private | 15224(55.8) /45206 | 18797(54.9) /45917 | |
| Medicare | 9018(33.0) /37728 | 11416(33.3) /38316 | |
| Medicaid | 1561(5.7) /5794 | 2014(5.9) /6464 | |
| Other | 1500(5.5) /5565 | 2031(5.9) /6352 | |
| Hospital Bed Number | 0.3397 | ||
| Small | 2350(8.8) /8298 | 3077(9.2) /8808 | |
| Medium | 5742(21.5) /20598 | 5766(17.2) /18948 | |
| Large | 18569(69.6) /63430 | 24696(73.6) /67702 | |
| Hospital Nephrectomy Volume/year | <0.0001 | ||
| <25 | 737(82.6) /4159 | 824(62.2) /4065 | |
| 25-49 | 88(9.9) /417 | 273(20.6) /886 | |
| 50-99 | 43(4.8) /189 | 140(10.6) /418 | |
| 100+ | 24(2.7) /73 | 88(6.6) /190 | |
| Hospital Location | 0.4592 | ||
| Rural | 1128(4.2) /5236 | 1205(3.6) /5467 | |
| Urban | 25534(95.8) /87089 | 32334(96.4) /89992 | |
| Hospital Region | 0.8938 | ||
| Northeast | 6041(22.6) /17794 | 8283(24.5) /19444 | |
| Midwest | 7309(27.3) /24490 | 9413(27.9) /26002 | |
| South | 7699(28.8) /29451 | 9983(29.6) /31888 | |
| West | 5692(21.3) /20876 | 6104(18.1) /18747 | |
| Teaching | 0.4759 | ||
| Non-teaching | 6482(24.3) /31172 | 8920(26.6) /31383 | |
| Teaching | 20180(75.7) /61153 | 24619(73.4) /64075 | |
| Median Length of Stay (IQR), days | 3.1(2.1-4.4) | 2.7(1.7-3.9) | <0.0001 |
| Median Total Charges for Stay (IQR), $ | 35223(24931–49394) | 38381(27440–55923) | <0.0001 |
| Died during hospitalization | 45(0.2) /703 | 50(0.1) /774 | 0.8318 |