| Primary Diagnosis | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 36,951 | 39,958 | 42,219 | 44,262 | 45,475 | 45,290 | 46,106 | 47,039 | 48,677 | 50,624 |
| Glomerular Diseases | 8,828 | 9,239 | 9,693 | 10,098 | 10,258 | 9,979 | 10,000 | 10,045 | 10,284 | 10,508 |
| Diabetes | 8,412 | 9,453 | 10,213 | 11,059 | 11,713 | 12,062 | 12,509 | 13,087 | 13,510 | 14,227 |
| Hypertensive Nephrosclerosis | 6,638 | 7,399 | 8,064 | 8,666 | 8,971 | 9,266 | 9,896 | 10,153 | 10,789 | 11,393 |
| Polycystic Kidneys | 2,504 | 2,662 | 2,771 | 2,877 | 3,033 | 2,999 | 3,067 | 3,221 | 3,380 | 3,588 |
| Tubular and Interstitial Diseases | 1,750 | 1,794 | 1,842 | 1,918 | 1,890 | 1,772 | 1,740 | 1,733 | 1,726 | 1,728 |
| Renovascular & Other Vascular Diseases | 2,078 | 2,262 | 2,374 | 2,438 | 2,476 | 2,181 | 1,855 | 1,669 | 1,545 | 1,499 |
| Congenital, Rare Familial, & Metabolic Disorders | 630 | 669 | 717 | 775 | 778 | 755 | 686 | 675 | 669 | 731 |
| Neoplasms | 91 | 107 | 113 | 120 | 106 | 109 | 109 | 113 | 111 | 111 |
| Other | 4,375 | 4,819 | 4,995 | 4,993 | 5,135 | 5,257 | 5,486 | 5,706 | 6,100 | 6,323 |
| Unknown | 1,645 | 1,554 | 1,437 | 1,318 | 1,115 | 910 | 758 | 637 | 563 | 516 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Glomerular Diseases | 23.9% | 23.1% | 23.0% | 22.8% | 22.6% | 22.0% | 21.7% | 21.4% | 21.1% | 20.8% |
| Diabetes | 22.8% | 23.7% | 24.2% | 25.0% | 25.8% | 26.6% | 27.1% | 27.8% | 27.8% | 28.1% |
| Hypertensive Nephrosclerosis | 18.0% | 18.5% | 19.1% | 19.6% | 19.7% | 20.5% | 21.5% | 21.6% | 22.2% | 22.5% |
| Polycystic Kidneys | 6.8% | 6.7% | 6.6% | 6.5% | 6.7% | 6.6% | 6.7% | 6.8% | 6.9% | 7.1% |
| Tubular and Interstitial Diseases | 4.7% | 4.5% | 4.4% | 4.3% | 4.2% | 3.9% | 3.8% | 3.7% | 3.5% | 3.4% |
| Renovascular & Other Vascular Diseases | 5.6% | 5.7% | 5.6% | 5.5% | 5.4% | 4.8% | 4.0% | 3.5% | 3.2% | 3.0% |
| Congenital, Rare Familial, & Metabolic Disorders | 1.7% | 1.7% | 1.7% | 1.8% | 1.7% | 1.7% | 1.5% | 1.4% | 1.4% | 1.4% |
| Neoplasms | 0.2% | 0.3% | 0.3% | 0.3% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% |
| Other | 11.8% | 12.1% | 11.8% | 11.3% | 11.3% | 11.6% | 11.9% | 12.1% | 12.5% | 12.5% |
| Unknown | 4.5% | 3.9% | 3.4% | 3.0% | 2.5% | 2.0% | 1.6% | 1.4% | 1.2% | 1.0% |