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Table 3 Comparison on diagnosis and prognosis of AKI different stages

From: Incidence and diagnosis of Acute kidney injury in hospitalized adult patients: a retrospective observational study in a tertiary teaching Hospital in Southeast China

Variables Stage 1 (n = 532) Stage 2 (n = 309) Stage 3 (n = 560) P value
Age (years) 63.5 ± 16.6 61.7 ± 17.9 63.6 ± 17.3 0.292
Male (%) 375 (70.5) 309 (64.7) 364 (65.0) 0.097
eGFR (mL/min/1.73 m2) 76.9 ± 31.9 81.4 ± 29.4 50.4 ± 39.3 <0.001*
Interval between admission and AKI diagnosed (days) 6 (2,11) 7 (3,14) 3 (1,9) <0.001*
Diagnosis (%)     <0.001*
 Timely 110 (20.7) 76 (24.6) 430 (76.8)  
 Delayed 10 (1.9) 14 (4.5) 22 (3.9)  
 Missed 412 (77.4) 219 (70.9) 108 (19.3)  
Only 2 SCr detection (%) 38 (7.1) 10 (3.2) 11 (2.0) <0.001*
Renal prognosis at discharge (%)     <0.001*
 Completely recovery 311 (58.5) 171 (55.3) 146 (26.1)  
 Partial recovery 51 (9.6) 42 (13.6) 85 (15.2)  
 Loss of renal function 38 (7.1) 38 (12.3) 245 (43.7)  
 No dataa 132 (24.8) 58 (18.8) 84 (15.0)  
ICU stay (days) 0 (0–2) 0 (0–4) 0 (0–9) <0.001*
Hospital stay (days) 20.9 ± 18.1 24.3 ± 17.7 22.6 ± 22.2 <0.001*
Hospital costs (thousand CNY) 53.5 (20.8–103.5) 68.9 (33.4–132.9) 54.4 (24.8–132.4) <0.001*
30-day mortality (%) 121 (22.7) 105 (34.0) 269 (48.0) <0.0001*
  1. areferred to no SCr detection after diagnosis of acute kidney injury.*: P < 0.05.
  2. CNY Chinese yuan, eGFR estimated glomerular filtration rate, ICU intensive care unit