Table 1.

Incidence/demography of AKI

VariableAll AKI
n Per 100,000 population (n)577 (17,689)
AKI severity, % (n)
 Stage 178.7 (13,922)
 Stage 214.3 (2522)
 Stage 37.0 (1245)
AKI rule, % (n)
 Rule 19.9 (1753)
 Rule 227.1 (4799)
 Rule 363.0 (11,137)
Clinical location, % (n)
 Hospital41.2 (7288)
 Community49.3 (8724)
All AKIHA-AKICA-AKI
Health board, n per 100,000 population (n)
 Abertawe Bro Morgannwg UHB549 (2857)396.9216.6
 Aneurin Bevan UHB550 (3185)189.9265.9
 Betsi Cadwaladr UHB564 (3906)219.1282.2
 Cardiff and Vale UHB513 (2457)247.7239.1
 Cwm Taf UHB814 (2402)313.8429.0
 Hywel Dda UHB693 (2659)258.4392.5
 Powys THB60 (80)5.346.0
All AKIAKI Stage 1AKI Stage 2AKI Stage 3
Mean age±SD, yr71.1±17.071.0±17.371.8±15.970.5±15.9
Sex, % (n)
 Men46.9 (8285)46.1 (6407)46.4 (1171)56.8 (707)
 Women53.1 (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/dl1.01.00.91.4
Mean baseline eGFR, ml/min per 1.73 m271.672.074.461.7
Mean alert SCr, mg/dl1.81.52.14.7
Mean peak SCr, mg/dl2.31.92.55.3
  • 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.