From: Automated machine learning for early prediction of acute kidney injury in acute pancreatitis
Variables |  | The training, dataset (n = 313) |  |  | The validation dataset (n = 124) |  | ||
---|---|---|---|---|---|---|---|---|
Group | Non-AKI(n = 245) | AKI(n = 68) | p-value |  | Non-AKI(n = 95) | AKI(n = 29) | p-value | |
Sex (%) | Male | 136 (55.5) | 40 (58.8) | 0.727 | Â | 54 (56.8) | 15 (51.7) | 0.786 |
 | Female | 109 (44.5) | 28 (41.2) |  |  | 41 (43.2) | 14 (48.3) |  |
Age(mean (median [IQR]) | Â | 52.00 [40.00, 65.00] | 54.00 [42.00, 72.00] | 0.242 | Â | 52.00 [38.00, 65.50] | 58.00 [44.00, 71.00] | 0.093 |
Etiology (%) | Biliary | 110 (44.9) | 25 (36.8) | 0.317 | Â | 37 (38.9) | 13 (44.8) | 0.443 |
 | Hyperlipidemia | 47 (19.2) | 20 (29.4) |  |  | 14 (14.7) | 6 (20.7) |  |
 | Alcoholic | 13 (5.3) | 3 (4.4) |  |  | 6 (6.3) | 0 (0.0) |  |
 | Others | 75 (30.6) | 20 (29.4) |  |  | 38 (40.0) | 10 (34.5) |  |
Smoke (%) | No | 221 (90.2) | 57 (83.8) | 0.208 | Â | 87 (91.6) | 24 (82.8) | 0.255 |
 | Yes | 24 (9.8) | 11 (16.2) |  |  | 7 (7.4) | 5 (17.2) |  |
Hypertension (%) | No | 170 (69.4) | 33 (48.5) | 0.002 | Â | 70 (73.7) | 18 (62.1) | 0.331 |
 | Yes | 75 (30.6) | 35 (51.5) |  |  | 25 (26.3) | 11 (37.9) |  |
Diabetes (%) | No | 225 (91.8) | 62 (91.2) | 1 | Â | 85 (89.5) | 27 (93.1) | 0.826 |
 | Yes | 20 (8.2) | 6 (8.8) |  |  | 10 (10.5) | 2 (6.9) |  |
SBP (median [IQR]) | Â | 130.00 [119.00, 142.00] | 135.50 [120.00, 146.00] | 0.073 | Â | 133.00 [120.00, 143.50] | 130.00 [126.00, 151.00] | 0.392 |
DBP (median [IQR]) | Â | 80.00 [71.00, 87.00] | 79.50 [70.00, 88.50] | 0.918 | Â | 80.00 [72.50, 87.00] | 80.00 [78.00, 85.00] | 0.638 |
MAP (median [IQR]) | Â | 96.67 [88.33, 105.00] | 96.67 [90.00, 109.50] | 0.586 | Â | 96.33 [89.50, 105.00] | 96.67 [94.67, 104.67] | 0.313 |
PLT (*109/L) (median [IQR]) | Â | 186.00 [146.00, 229.00] | 181.50 [132.00, 239.00] | 0.684 | Â | 179.00 [152.50, 225.00] | 155.00 [132.00, 214.00] | 0.175 |
WBC (*109/L) (median [IQR]) | Â | 11.10 [8.80, 14.10] | 13.00 [9.60, 16.22] | 0.038 | Â | 11.60 [8.70, 15.30] | 10.00 [8.50, 15.30] | 0.662 |
N (*109/L) (median [IQR]) | Â | 9.10 [6.40, 11.80] | 10.55 [6.77, 13.95] | 0.055 | Â | 9.60 [6.25, 12.15] | 8.70 [6.10, 13.60] | 0.894 |
L (*109/L) (median [IQR]) | Â | 1.30 [0.90, 1.80] | 1.30 [0.80, 1.95] | 0.946 | Â | 1.20 [0.90, 1.90] | 1.40 [0.70, 1.70] | 0.456 |
HCT (L/L) (median [IQR]) | Â | 0.43 [0.39, 0.46] | 0.41 [0.36, 0.47] | 0.256 | Â | 0.42 [0.39, 0.46] | 0.41 [0.39, 0.44] | 0.064 |
RDW (%) (median [IQR]) | Â | 12.80 [12.30, 13.40] | 12.80 [12.50, 13.30] | 0.971 | Â | 12.70 [12.35, 13.30] | 13.00 [12.60, 13.70] | 0.136 |
Lr (%) (median [IQR]) | Â | 12.10 [7.30, 17.90] | 9.80 [7.07, 15.38] | 0.166 | Â | 11.30 [7.30, 19.85] | 11.40 [5.00, 17.50] | 0.41 |
Cr (µmol/L) (median [IQR]) |  | 63.00 [53.00, 74.00] | 72.50 [61.00, 91.00] | < 0.001 |  | 63.00 [54.00, 74.00] | 84.00 [65.00, 96.00] | < 0.001 |
TB (µmol/L) (median [IQR]) |  | 23.20 [15.70, 37.20] | 22.80 [14.85, 35.25] | 0.493 |  | 20.90 [14.00, 30.10] | 16.70 [13.00, 26.40] | 0.405 |
DB (µmol/L) (median [IQR]) |  | 8.20 [4.80, 16.40] | 6.30 [4.47, 18.33] | 0.561 |  | 7.20 [4.00, 13.05] | 6.30 [4.10, 9.50] | 0.906 |
Urea (mmol/L) (median [IQR]) | Â | 4.60 [3.80, 5.70] | 5.35 [4.40, 6.78] | 0.001 | Â | 4.50 [3.60, 6.05] | 5.60 [4.00, 7.10] | 0.01 |
LDH (U/L) (median [IQR]) | Â | 227.00 [182.00, 319.00] | 258.00 [193.75, 418.75] | 0.051 | Â | 230.00 [182.50, 312.00] | 302.00 [213.00, 462.00] | 0.023 |
Ca2+(mmol/L) (median [IQR]) | Â | 2.25 [2.13, 2.37] | 2.18 [2.04, 2.30] | 0.028 | Â | 2.24 [2.14, 2.35] | 2.28 [2.19, 2.37] | 0.122 |
TG (mmol/L) (median [IQR]) | Â | 1.48 [0.89, 3.58] | 1.72 [1.00, 9.36] | 0.105 | Â | 1.33 [0.89, 2.96] | 1.78 [0.94, 3.87] | 0.242 |
GLU (mmol/L) (median [IQR]) | Â | 7.54 [6.20, 9.65] | 7.91 [6.32, 11.01] | 0.326 | Â | 7.20 [6.43, 10.13] | 7.63 [6.94, 8.94] | 0.635 |
ALT (U/L) (median [IQR]) | Â | 56.00 [22.00, 192.00] | 36.50 [20.00, 96.25] | 0.122 | Â | 39.00 [21.00, 179.50] | 45.00 [25.00, 122.00] | 0.63 |
AST (U/L) (median [IQR]) | Â | 49.00 [22.00, 169.00] | 34.50 [23.00, 91.50] | 0.435 | Â | 31.00 [18.00, 102.50] | 42.00 [27.00, 101.00] | 0.154 |
GGT (U/L) (median [IQR]) | Â | 126.00 [40.00, 345.00] | 134.50 [34.50, 300.25] | 0.685 | Â | 80.00 [33.00, 245.00] | 71.00 [46.00, 233.00] | 0.908 |
ALP (U/L) (median [IQR]) | Â | 107.00 [80.00, 163.00] | 101.00 [81.00, 146.25] | 0.818 | Â | 107.00 [83.50, 145.00] | 102.00 [79.00, 161.00] | 0.934 |
ALB (g/L) (median [IQR]) |  | 39.00 [35.50, 42.40] | 36.30 [32.88, 40.02] | < 0.001 |  | 38.90 [35.75, 40.90] | 37.60 [32.20, 40.20] | 0.153 |
Na+(mmol/L) (median [IQR]) | Â | 139.30 [137.30, 141.60] | 138.10 [134.88, 140.85] | 0.011 | Â | 140.10 [136.15, 142.40] | 138.40 [136.00, 140.20] | 0.083 |
AMY(U/L) (median [IQR]) | Â | 460.00 [145.00, 1415.00] | 330.00 [97.25, 1162.50] | 0.22 | Â | 496.00 [200.50, 1416.00] | 278.00 [104.00, 753.00] | 0.268 |
K+(U/L) (median [IQR]) | Â | 3.92 [3.63, 4.17] | 3.78 [3.49, 4.10] | 0.103 | Â | 3.92 [3.71, 4.18] | 4.01 [3.79, 4.49] | 0.082 |
PT (s) (median [IQR]) | Â | 13.40 [12.40, 14.60] | 12.95 [11.97, 14.20] | 0.132 | Â | 13.40 [12.30, 14.55] | 13.20 [12.30, 14.70] | 0.839 |
INR (median [IQR]) | Â | 1.09 [1.00, 1.19] | 1.04 [0.95, 1.14] | 0.018 | Â | 1.11 [1.01, 1.20] | 1.05 [0.98, 1.23] | 0.277 |
APTT (s) (median [IQR]) | Â | 32.60 [29.40, 37.30] | 31.75 [28.70, 36.42] | 0.34 | Â | 31.90 [28.80, 34.95] | 33.30 [29.40, 35.70] | 0.446 |
CRP (mg/L) (median [IQR]) | Â | 10.50 [2.30, 52.60] | 12.35 [4.18, 96.70] | 0.057 | Â | 9.10 [2.00, 68.15] | 6.00 [2.10, 54.00] | 0.495 |