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Table 1 The baseline characteristics of DKA patients between non-AKI and AKI group

From: The incidence, risk factors, and long-term outcomes of acute kidney injury in hospitalized diabetic ketoacidosis patients

ParametersTotal (n = 179)AKI group (n = 98)Non-AKI group (n = 81)P
Male, n (%)95 (53.07)58 (59.18)37 (45.67)0.072
Age (year)40.30 ± 19.4753.46 ± 20.1344.27 ± 17.460.002
Body Mass Index (kg/m2)22.29 ± 4.1922.40 ± 3.7322.16 ± 4.700.709
History of CVD, n(%)27 (15.08)20 (20.41)7 (8.64)0.029
Type 2 diabetic mellitus, n(%)110 (61.45)66 (67.35)44 (54.32)0.075
Preexisting CKD, n(%)20 (11.17)16 (16.33)4 (4.94)0.030
General condition of admission
 Systolic blood pressure-SBP (mmHg)126.26 ± 24.30127.56 ± 26.61124.68 ± 21.230.431
 Diastolic blood pressure-DBP (mmHg)75.26 ± 13.4574.02 ± 13.8876.77 ± 12.820.175
 Temperature(°C)36.80 [36.40–37.20]36.90 [36.50–37.43]36.70 [36.30–37.10]0.100
 Heart rate (times/min)99.80 ± 20.63103.66 ± 22.1295.13 ± 17.710.005
 Coma, n(%)22 (12.29)20 (20.41)2 (2.47)0.001
Biochemical indicator of admission
 Glu (mmol/L)28.01 ± 10.4731.25 ± 11.4524.09 ± 7.52< 0.001
 Serum ketone (mmol/L)2.00 [1.00–4.54]2.05 [1.00–4.56]1.80 [1.00–4.51]0.376
 pH7.32 [7.24–7.37]7.30 [7.16–7.36]7.34 [7.29–7.38]0.002
    HbA1c(%)11.98 ± 2.8211.96 ± 2.9412.01 ± 2.700.912
 SUA (μmol/L)326.73 ± 148.92356.46 ± 159.95290.77 ± 126.230.003
 Alb(g/L)31.88 ± 7.1429.98 ± 6.6034.18 ± 7.12< 0.001
 WBCs(109/L)12.61 [8.13–19.76]16.51 [11.40–21.76]9.38 [6.12–15.20]< 0.001
    Proteinuria, n(%)31 (17.32)22 (22.45)9 (11.11)0.046
 SCr on admission (μmol/L)133.16 ± 80.29170.14 ± 92.2888.43 ± 17.81< 0.001
    eGFR on admission (ml/min/1.73m2)60.25 ± 27.6242.37 ± 17.0381.87 ± 21.92< 0.001
Biochemical indicator at discharge
 SCr at discharge (μmol/L)88.61 ± 33.1197.07 ± 40.6678.43 ± 15.57< 0.001
 eGFR at discharge (ml/min/1.73m2)84.81 ± 27.0678.78 ± 29.7292.11 ± 21.440.001