[Retracted] Prediction Models for One-Year Survival of Adult Patients with Acute Kidney Injury: A Longitudinal Study Based on the Data from the Medical Information Mart for Intensive Care III Database
Table 1
Sensitivity analysis after the manipulation of the outliers or missing values.
Variable
Missing data
After (n = 6050)
Before (n = 6050)
Statistical magnitude
Marital status, n (%)
χ2 = 0.536
0.765
Married
402 (6.64)
2887 (47.72)
2660 (47.10)
Not married
2166 (35.80)
2036 (36.05)
Widowed
997 (16.48)
952 (16.86)
Ethnicity, n (%)
χ2 = 2.277
0.685
Asian
724 (11.97)
173 (2.86)
143 (2.68)
African American
605 (10.00)
567 (10.65)
Hispanic
179 (2.96)
169 (3.17)
Others
165 (2.73)
152 (2.85)
White
4928 (81.45)
4295 (80.64)
Congestive heart failure, n (%)
χ2 = 0.000
0.984
Yes
9 (1.49)
2025 (33.47)
2023 (33.49)
No
4025 (66.53)
4018 (66.51)
Hypertension, n (%)
χ2 = 0.000
0.999
Yes
7 (1.16)
3377 (55.82)
3373 (55.82)
No
2673 (44.18)
2670 (44.18)
COPD, n (%)
χ2 = 0.001
0.981
Yes
9 (1.49)
1396 (23.07)
1395 (23.09)
No
4654 (76.93)
4646 (76.91)
Diabetes uncomplicated, n (%)
χ2 = 0.000
0.992
Yes
7 (1.16)
1334 (22.05)
1332 (22.04)
No
4716 (77.95)
4711 (77.96)
Renal failure, n (%)
χ2 = 0.001
0.978
Yes
9 (1.49)
1202 (19.87)
1199 (19.85)
No
4848 (80.13)
4842 (80.15)
Liver disease, n (%)
χ2 = 0.000
0.986
Yes
9 (1.49)
1205 (19.92)
1204 (19.93)
No
4845 (80.08)
4837 (80.07)
Mechanical ventilation, n (%)
χ2 = 0.002
0.967
Yes
1 (0.02)
284 (4.69)
283 (4.68)
No
5766 (95.31)
5766 (95.32)
SBP, mean ± SD
22 (0.36)
120.22 ± 23.42
120.20 ± 23.45
t = 0.05
0.963
DBP, mean ± SD
22 (0.36)
61.22 ± 15.55
61.21 ± 15.57
t = 0.02
0.984
Heart rate, mean ± SD
21 (0.35)
86.90 ± 18.70
86.91 ± 18.72
t = −0.02
0.982
Respiratory rate, mean ± SD
21 (0.35)
19.78 ± 6.23
19.78 ± 6.24
t = 0.00
0.996
Temperature, mean ± SD
25 (0.41)
36.84 ± 0.84
36.84 ± 0.84
t = −0.03
0.978
SpO2, mean ± SD
22 (0.36)
96.95 ± 3.64
96.95 ± 3.65
t = −0.02
0.984
MAP, mean ± SD
21 (0.35)
78.64 ± 16.64
78.63 ± 16.66
t = 0.03
0.977
WBC, M (Q1, Q3)
1 (0.02)
11.50 (7.90, 16.50)
11.50 (7.90, 16.50)
Z = −0.009
0.993
PLT, M (Q1, Q3)
2 (0.03)
213.00 (143.00, 292.00)
213.00 (143.00, 292.00)
Z = −0.017
0.987
Hemoglobin, mean ± SD
4 (0.06)
11.25 ± 2.34
11.25 ± 2.34
t = 0.03
0.980
RDW, mean ± SD
5 (0.08)
15.46 ± 2.32
15.46 ± 2.32
t = 0.02
0.983
Hematocrit, mean ± SD
1 (0.02)
33.61 ± 6.79
33.61 ± 6.79
t = 0.01
0.995
Creatinine, M (Q1, Q3)
1 (0.02)
1.20 (0.80, 2.00)
1.20 (0.80, 2.00)
Z = 0.000
1.000
INR, M (Q1, Q3)
192 (3.17)
1.30 (1.10, 1.70)
1.30 (1.10, 1.70)
Z = −0.109
0.913
Glucose, M (Q1, Q3)
2 (0.03)
134.00 (106.00, 173.00)
134.00 (106.00, 173.00)
Z = −0.012
0.991
Bicarbonate, mean ± SD
4 (0.06)
22.73 ± 5.44
22.73 ± 5.44
t = −0.07
0.941
Potassium, mean ± SD
4 (0.06)
4.30 ± 0.91
4.30 ± 0.91
t = −0.00
0.999
Chloride, mean ± SD
441 (7.29)
104.93 ± 6.84
104.93 ± 6.96
t = 0.02
0.981
Calcium, mean ± SD
155 (2.56)
8.24 ± 1.05
8.24 ± 1.05
t = −0.06
0.952
Anion_gap, mean ± SD
2 (0.03)
16.10 ± 4.88
16.10 ± 4.88
t = 0.00
0.999
Bilirubin 3, M (Q1, Q3)
857 (14.17)
0.70 (0.40, 1.40)
0.70 (0.40, 1.50)
Z = −0.956
0.339
LOS: length of stay, CSRU: cardiac surgery recovery unit, MICU: medical intensive care unit, NICU: neonatal intensive care unit, SICU: surgical intensive care unit, TSICU: trauma and surgical intensive care unit, AKI: acute kidney injury, COPD: chronic obstructive pulmonary disease, AF: atrial fibrillation, SBP: systolic blood pressure, DBP: diastolic blood pressure, SpO2: peripheral oxygen saturation, MAP: mean arterial pressure, PT: prothrombin time, WBC: white blood cell, LYM: lymphocyte, NEUT: neutrophil, PLT: platelets, RDW: red cell distribution width, INR: international normalized ratio.
