Table 1 Patient and surgical characteristics stratified by whether the patient record contained a record of eGFR at 90 days postoperatively. Continuous variables are reported as median (IQR) and binary variables are reported as proportion (%)
eGFR90 present | eGFR90 missing | |
|---|---|---|
n | 1268 | 3469 |
Age (year) | 61 [51, 69] | 64 [54, 71] |
BMI (kg/m2) | 29.14 [25.02, 33.80] | 28.41[25.00, 32.72] |
Hemoglobin (g/dL) | 12.4 [10.5, 13.9] | 13.3 [11.8, 14.6] |
Diabetes | 567 (44.7%) | 1198 (34.5%) |
Total urine output (mL) | 450 [275, 725] | 450 [300, 700] |
Total fluids given (mL) | 1600 [1000, 2200] | 1750 [1100,2400] |
Baseline eGFR | 66.69 [47.06, 85.95] | 74.52 [56.62, 90.24] |
Max intraoperative lactate (mg/dL) | 1.9 [1.2, 3.2] | 1.6 [1.0, 2.6] |
Length of surgery (min) | 318 [260, 404.25] | 301 [253, 368] |
Emergency surgery | 113 (8.9) | 202 (5.8) |