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Table 5 Outpatient and Inpatient visits per year, by CKD Stage

From: Development of an electronic health record-based chronic kidney disease registry to promote population health management

N % CKD Stage
3A (n = 32,962) 3B (n = 17,927) 4 (n = 5579) 5 (n = 1295) 5D (n = 2740)
Outpatient Nephrology
 0 30,277 (91.9) 14,789 (82.5) 3722 (66.7) 895 (69.1) 1819 (66.4)
 1 1205 (3.7) 1134 (6.3) 424 (7.6) 116 (9.0) 314 (11.5)
 2 889 (2.70) 1196 (6.7) 635 (11.4) 58 (4.5) 202 (7.4)
 3+ 591 (1.79) 808 (4.5) 798 (14.3) 226 (17.5) 405 (14.8)
ED
 0 26,494 (80.4) 13,463 (75.1) 3928 (70.4) 1005 (77.6) 1495 (54.6)
 1 3895 (11.8) 2390 (13.3) 765 (13.7) 125 (9.7) 457 (16.7)
 2 1366 (4.1) 1008 (5.6) 414 (7.4) 78 (6.0) 270 (9.9)
 3+ 1207 (3.7) 1066 (6.0) 472 (8.5) 87 (6.7) 518 (18.9)
Inpatient admissions
 0 28,330 (86.0) 14,252 (79.5) 4143 (74.3) 1048 (80.9) 1429 (52.2)
 1 3032 (9.2) 2200 (12.3) 759 (13.6) 122 (9.4) 587 (21.4)
 2 974 (3.0) 778 (4.3) 337 (6.0) 64 (4.9) 285 (10.4
 3+ 626 (1.9) 697 (3.9) 340 (6.1) 61 (4.7) 439 (16.0)
30-day Readmissions
 0 32,200 (97.7) 17,192 (95.9) 5237 (93.9) 1225 (94.6) 2326 (84.9)
 1 554 (1.7) 513 (2.9) 231 (4.1) 45 (3.5) 232 (8.5)
 2 128 (0.4) 133 (0.7) 67 (1.2) 14 (1.1) 92 (3.4)
 3+ 80 (0.2) 89 (0.5) 44 (0.8) 11 (0.9) 90 (3.3)
  1. Abbreviations: ED Emergency department visits