Table 2 Patient’s baseline characteristics (%)
From: Patient outcomes following AKI and AKD: a population-based cohort study
| Â | Community-acquired/community-managed AKI (n = 13,443) | Community-acquired/hospital-managed AKI (n = 22,637) | Hospital-acquired AKI (n = 20,826) | All AKI (n = 56,906) |
|---|---|---|---|---|
N SCr tests—day 1 to 7 (median, [IQR]) | 0 [0–1] | 3 [1–5] | 3 [1–5] | 2 [0–4] |
N SCr tests—day 1 to 90 (median, [IQR]) | 2 [0–4] | 6 [3–12] | 6 [2–13] | 5 [2–10] |
AKI severity at diagnosis | ||||
 Stage 1 | 11984 (89) | 15385 (68) | 17992 (86) | 45361 (80) |
 Stage 2 | 1118 (8) | 4412 (19) | 2069 (10) | 7599 (13) |
 Stage 3 | 341 (3) | 2840 (13) | 765 (4) | 3946 (7) |
Age at AKI diagnosis (median, [IQR]) | 69 [52–80] | 74 [63–83] | 78 [67–85] | 75 [63–83] |
Sex = male | 4706 (35) | 11305 (50) | 9875 (47) | 25886 (45) |
SIMD quintile | ||||
 1 (most deprived) | 2652 (20) | 4552 (20) | 3690 (18) | 10894 (19) |
 2 | 2720 (20) | 4791 (21) | 4018 (19) | 11529 (20) |
 3 | 2670 (20) | 4600 (20) | 4111 (20) | 11381 (20) |
 4 | 3295 (25) | 5372 (24) | 5605 (27) | 14272 (25) |
 5 (least deprived) | 2106 (16) | 3322 (15) | 3402 (16) | 8830 (16) |
AKI identified by | ||||
 SCr ratio | 13213 (98) | 20907 (92) | 15655 (75) | 49775 (87) |
 SCr increment | 230 (2) | 1730 (8) | 5171 (25) | 7131 (13) |
Baseline eGFR category | ||||
 ≥ 90 | 5482 (41) | 5838 (26) | 4515 (22) | 15835 (28) |
 60–89 | 4489 (33) | 8972 (40) | 8236 (40) | 21697 (38) |
 45–59 | 1767 (13) | 3808 (17) | 3784 (18) | 9359 (16) |
 30–44 | 1217 (9) | 2749 (12) | 2949 (14) | 6915 (12) |
 <  30 | 488 (4) | 1270 (6) | 1342 (6) | 3100 (5) |
Comorbidity | ||||
 Chronic kidney disease (CKD) | 4080 (30) | 7963 (35) | 8588 (41) | 20631 (36) |
 Cancer | 3392 (25) | 7741 (34) | 8064 (39) | 19197 (34) |
 Coronary arterial disease (CAD) | 2496 (19) | 5521 (24) | 5751 (28) | 13768 (24) |
 Congestive heart failure (CHF) | 1199 (9) | 2425 (11) | 3126 (15) | 6750 (12) |
 Diabetes | 3465 (26) | 6252 (28) | 5426 (26) | 15143 (27) |
 Hypertension | 3929 (29) | 8272 (37) | 8576 (41) | 20777 (37) |
Medication in prior 90 days | ||||
 ACEi/ARB | 5196 (39) | 8735 (39) | 6892 (33) | 20823 (37) |
 Loop diuretic | 3123 (23) | 5017 (22) | 4324 (21) | 12464 (22) |
 Metformin | 1430 (11) | 2355 (10) | 1720 (8) | 5505 (10) |
 NSAID | 1185 (9) | 1840 (8) | 1213 (6) | 4238 (7) |
 Statin | 4549 (34) | 8587 (38) | 7032 (34) | 20168 (35) |