Table 1: Characteristics of patients with acute kidney injury in the United States, 2001 to 2011.

All years20012002200320042005200620072008200920102011 value

18,870,662674,845752,472891,3531,125,3781,299,2891,522,0041,818,0112,236,4122,581,3142,817,6473,151,937
Female (%)47.647.4247.3748.0247.9947.6947.3547.4547.8547.5647.4447.650.46
Age (median)7272727272727272727171710.72
Age (IQR)58–8159–8159–8159–8159–8158–8158–8158–8159–8258–8158–8158–820.72
Length of stay (median)677776666555<0.001
Length of stay (IQR)3–114–134–134–133–123–123–113–113–103–103–103–9<0.001
Heart failure (%)22.7823.6823.9924.4225.2225.3724.7523.6521.4321.1821.0622.04<0.001
Pulmonary disease (%)3.531.331.511.541.561.612.13.253.944.194.595.03<0.001
Peripheral vascular disease (%)8.946.347.26.886.856.737.428.379.439.599.3610.89<0.001
Hypertension (%)52.8622.9126.7844.1545.4446.449.1948.6953.4256.7358.1461.21<0.001
Neurological disease (%)9.613.629.27.557.817.798.39.39.7910.0510.311.12<0.001
Chronic pulmonary disease (%)23.420.922.2322.6222.9123.824.3124.3622.3622.922.8424.110.29
Diabetes (%) 23.7217.1218.619.1819.5619.3621.1722.7124.1525.6525.9727.26<0.001
Diabetes with sequelae (%)10.949.5510.8610.6110.1710.3210.8311.2310.7510.5310.4111.570.28
Obesity (%)9.262.943.94.174.374.895.967.359.811.0911.2614.08<0.001
Anemia (%)30.4720.1922.8523.8623.623.5826.2728.932.1132.8432.4835.87<0.001
Sepsis (%)20.819.3119.8719.6519.8820.3520.5820.5520.8720.5220.5821.12<0.001
In-hospital mortality (%)12.3221.9220.3818.7616.7615.3814.0912.3611.810.499.749.07<0.001