Table 1.
Incidence/demography of AKI
| Variable | All AKI | |||
|---|---|---|---|---|
| n Per 100,000 population (n) | 577 (17,689) | |||
| AKI severity, % (n) | ||||
| Stage 1 | 78.7 (13,922) | |||
| Stage 2 | 14.3 (2522) | |||
| Stage 3 | 7.0 (1245) | |||
| AKI rule, % (n) | ||||
| Rule 1 | 9.9 (1753) | |||
| Rule 2 | 27.1 (4799) | |||
| Rule 3 | 63.0 (11,137) | |||
| Clinical location, % (n) | ||||
| Hospital | 41.2 (7288) | |||
| Community | 49.3 (8724) |
| All AKI | HA-AKI | CA-AKI | ||
|---|---|---|---|---|
| Health board, n per 100,000 population (n) | ||||
| Abertawe Bro Morgannwg UHB | 549 (2857) | 396.9 | 216.6 | |
| Aneurin Bevan UHB | 550 (3185) | 189.9 | 265.9 | |
| Betsi Cadwaladr UHB | 564 (3906) | 219.1 | 282.2 | |
| Cardiff and Vale UHB | 513 (2457) | 247.7 | 239.1 | |
| Cwm Taf UHB | 814 (2402) | 313.8 | 429.0 | |
| Hywel Dda UHB | 693 (2659) | 258.4 | 392.5 | |
| Powys THB | 60 (80) | 5.3 | 46.0 |
| All AKI | AKI Stage 1 | AKI Stage 2 | AKI Stage 3 | |
|---|---|---|---|---|
| Mean age±SD, yr | 71.1±17.0 | 71.0±17.3 | 71.8±15.9 | 70.5±15.9 |
| Sex, % (n) | ||||
| Men | 46.9 (8285) | 46.1 (6407) | 46.4 (1171) | 56.8 (707) |
| Women | 53.1 (9388) | 53.9 (7499) | 53.6 (1351) | 43.2 (538) |
| Preexisting CKD, % (n) | 41.9 (6877) | 38.5 (5354) | 34.5 (870) | 52.5 (653) |
| Mean baseline SCr, mg/dl | 1.0 | 1.0 | 0.9 | 1.4 |
| Mean baseline eGFR, ml/min per 1.73 m2 | 71.6 | 72.0 | 74.4 | 61.7 |
| Mean alert SCr, mg/dl | 1.8 | 1.5 | 2.1 | 4.7 |
| Mean peak SCr, mg/dl | 2.3 | 1.9 | 2.5 | 5.3 |
Data on patient sex were missing for 16 patients and excluded from analysis of the sex variable. Baseline eGFR data were missing for 24 patients and excluded from analysis of the preexisting CKD variable. HA-AKI, hospital-acquired AKI; CA-AKI, community-acquired AKI; UHB, University Health Board; THB, Teaching Health Board; SCr, serum creatinine.