Table 2.
Proportion with albumin-creatinine ratio testing according to “look-back” window
| Health Care Organization Identification | N | Albumin-Creatinine Ratio Within 1 yr, N (%) | Albumin-Creatinine Ratio Within 2 yr, N (%) | Albumin-Creatinine Ratio Within 3 yr, N (%) |
| 1 | 18,273 | 3393 (18.6) | 4446 (24.3) | 4996 (27.3) |
| 2 | 28,690 | 4242 (14.8) | 5515 (19.2) | 6065 (21.1) |
| 3 | 14,560 | 2342 (16.1) | 2816 (19.3) | 3044 (20.9) |
| 4 | 17,833 | 2425 (13.6) | 3044 (17.1) | 3356 (18.8) |
| 5 | 12,342 | 1631 (13.2) | 2564 (20.8) | 3143 (25.5) |
| 6 | 83,266 | 16,522 (19.8) | 20,734 (24.9) | 21,403 (25.7) |
| 7 | 9309 | 1055 (11.3) | 1304 (14.0) | 1335 (14.3) |
| 8 | 10,160 | 848 (8.4) | 1061 (10.4) | 1170 (11.5) |
| 9 | 16,463 | 2775 (16.9) | 3357 (20.4) | 3586 (21.8) |
| 10 | 65,990 | 8374 (12.7) | 11,185 (17.0) | 12,624 (19.1) |
| 11 | 6239 | 1712 (27.4) | 2174 (34.9) | 2420 (38.8) |
| 12 | 17,078 | 3169 (18.6) | 4105 (24.0) | 4534 (26.6) |
| 13 | 16,794 | 2281 (13.6) | 2945 (17.5) | 3209 (19.1) |
| 14 | 20,977 | 2884 (13.8) | 3722 (17.7) | 4315 (20.6) |
| 15 | 12,442 | 1777 (14.3) | 2144 (17.2) | 2331 (18.7) |
| 16 | 11,396 | 1588 (13.9) | 2101 (18.4) | 2308 (20.3) |
| 17 | 44,092 | 7708 (17.5) | 9213 (20.9) | 9843 (22.3) |
| 18 | 15,774 | 1150 (7.3) | 1550 (9.8) | 1671 (10.6) |
| 19 | 13,057 | 822 (6.3) | 1050 (8.0) | 1102 (8.4) |
| 20 | 32,055 | 7263 (22.7) | 8640 (27.0) | 9076 (28.3) |
| 21 | 21,408 | 1758 (8.2) | 2365 (110.1) | 2753 (12.9) |
| 22 | 14,068 | 709 (5.0) | 891 (6.3) | 960 (6.8) |
| 23 | 17,831 | 12,169 (68.3) | 13,003 (72.9) | 13,154 (73.8) |
| 24 | 38,390 | 3201 (8.3) | 4206 (11.0) | 4985 (13.0) |
| 25 | 14,967 | 2540 (17.0) | 2987 (20.0) | 3092 (20.7) |
| 26 | 12,122 | 1615 (13.3) | 1760 (14.5) | 1760 (14.5) |
| 27 | 23,954 | 3087 (12.9) | 3881 (16.2) | 4262 (17.8) |
| 28 | 28,114 | 2496 (8.9) | 2795 (9.9) | 2856 (10.2) |
| 29 | 10,281 | 1139 (11.1) | 1209 (11.8) | 1210 (11.8) |
| 30 | 23,110 | 2263 (9.8) | 2492 (10.8) | 2495 (10.8) |
| 31 | 18,669 | 978 (5.2) | 1086 (5.8) | 1121 (6.0) |
| 32 | 22,847 | 3380 (14.8) | 4129 (18.1) | 4592 (20.1) |
| 33 | 9443 | 1060 (11.2) | 1299 (17.8) | 1415 (15.0) |
| 34 | 7591 | 926 (12.2) | 1249 (16.4) | 1419 (18.7) |
| 35 | 103,583 | 13,458 (13.0) | 16,968 (16.4) | 18,355 (17.7) |
| 36 | 104,536 | 10,239 (9.8) | 12,189 (11.7) | 13,391 (12.8) |
| 37 | 11,916 | 1499 (12.6) | 1932 (16.2) | 2015 (16.9) |
| 38 | 12,583 | 3410 (27.1) | 4109 (32.7) | 4503 (35.8) |
| 39 | 14,096 | 1798 (12.8) | 2141 (15.2) | 2179 (15.5) |
| Total | 976,299 | 141,686 (14.5) | 174,360 (17.9) | 188,048 (19.3) |