| Primary Diagnosis | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 4,226 | 4,610 | 5,355 | 6,034 | 8,038 | 11,851 | 15,399 | 19,216 | 22,924 | 25,465 |
| Glomerular Diseases | 986 | 1,039 | 1,212 | 1,261 | 1,716 | 2,390 | 3,052 | 3,690 | 4,219 | 4,615 |
| Diabetes | 1,043 | 1,198 | 1,365 | 1,544 | 2,106 | 3,184 | 4,286 | 5,570 | 7,000 | 7,991 |
| Hypertensive Nephrosclerosis | 595 | 698 | 893 | 1,061 | 1,410 | 2,208 | 2,979 | 4,014 | 4,730 | 5,529 |
| Polycystic Kidneys | 228 | 265 | 295 | 339 | 390 | 595 | 839 | 1,025 | 1,286 | 1,372 |
| Tubular and Interstitial Diseases | 255 | 263 | 300 | 313 | 402 | 557 | 671 | 783 | 927 | 970 |
| Renovascular & Other Vascular Diseases | 303 | 310 | 356 | 404 | 544 | 739 | 813 | 861 | 903 | 877 |
| Congenital, Rare Familial, & Metabolic Disorders | 66 | 76 | 99 | 111 | 165 | 200 | 310 | 350 | 394 | 384 |
| Neoplasms | 7 | 14 | 8 | 11 | 16 | 38 | 44 | 50 | 79 | 106 |
| Other | 450 | 480 | 557 | 687 | 968 | 1,579 | 2,043 | 2,521 | 3,021 | 3,298 |
| Unknown | 293 | 267 | 270 | 303 | 321 | 361 | 362 | 352 | 365 | 323 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Glomerular Diseases | 23.3% | 22.5% | 22.6% | 20.9% | 21.3% | 20.2% | 19.8% | 19.2% | 18.4% | 18.1% |
| Diabetes | 24.7% | 26.0% | 25.5% | 25.6% | 26.2% | 26.9% | 27.8% | 29.0% | 30.5% | 31.4% |
| Hypertensive Nephrosclerosis | 14.1% | 15.1% | 16.7% | 17.6% | 17.5% | 18.6% | 19.3% | 20.9% | 20.6% | 21.7% |
| Polycystic Kidneys | 5.4% | 5.7% | 5.5% | 5.6% | 4.9% | 5.0% | 5.4% | 5.3% | 5.6% | 5.4% |
| Tubular and Interstitial Diseases | 6.0% | 5.7% | 5.6% | 5.2% | 5.0% | 4.7% | 4.4% | 4.1% | 4.0% | 3.8% |
| Renovascular & Other Vascular Diseases | 7.2% | 6.7% | 6.6% | 6.7% | 6.8% | 6.2% | 5.3% | 4.5% | 3.9% | 3.4% |
| Congenital, Rare Familial, & Metabolic Disorders | 1.6% | 1.6% | 1.8% | 1.8% | 2.1% | 1.7% | 2.0% | 1.8% | 1.7% | 1.5% |
| Neoplasms | 0.2% | 0.3% | 0.1% | 0.2% | 0.2% | 0.3% | 0.3% | 0.3% | 0.3% | 0.4% |
| Other | 10.6% | 10.4% | 10.4% | 11.4% | 12.0% | 13.3% | 13.3% | 13.1% | 13.2% | 13.0% |
| Unknown | 6.9% | 5.8% | 5.0% | 5.0% | 4.0% | 3.0% | 2.4% | 1.8% | 1.6% | 1.3% |