Table 1 Baseline characteristics of the patients and preoperative laboratory findings
From: Predictors of major complications after elective abdominal surgery in cancer patients
Variable | Total | Complications | ||
|---|---|---|---|---|
No | Yes | |||
n = 308 (100%) | n = 202 (66%) | n = 106 (34%) | ||
Age (years), mean and standard deviation | 59.7 ± 14.1 | 57.8 ± 14.5 | 63.3 ± 12.5 | 0.010 |
BMI (kg/m2), median (IQR) | 25.6 (22.3–29.5) | 25.9 (22.7–30.1) | 25.3 (21.9–28.2) | 0.066 |
Male gender | 139 (45.1%) | 87 (43.1%) | 52 (49.0%) | 0.316 |
Preoperative ambulatory reevaluation | 31 (10.1%) | 17 (8.4%) | 14 (13.2%) | 0.184 |
Functional status (<4METs) | 76 (24.7%) | 36 (17.8%) | 40 (37.7%) | < 0.001 |
Systemic arterial hypertension | 147 (47.7%) | 93 (43.0%) | 54 (51.0%) | 0.413 |
Chronic obstructive pulmonary disease | 34 (11%) | 20 (9.9%) | 14 (13.2%) | 0.379 |
Tobacco use | 29 (9.4%) | 19 (9.4%) | 10 (9.4%) | 0.994 |
Coronary arterial disease | 20 (6.5%) | 8 (4.0%) | 12 (11.3%) | 0.013 |
Heart failure | 25 (8.1%) | 11 (5.4%) | 14 (13.2%) | 0.018 |
Diabetes mellitus | 53 (17.2%) | 29 (14.3%) | 24 (22.6%) | 0.067 |
Chronic renal disease | 66 (21.4%) | 32 (15.8%) | 34 (32.0%) | 0.001 |
Previous stroke | 12 (3.9%) | 5 (2.5%) | 7 (6.6%) | 0.075 |
Karnofsky Performance Status Scale Score (< 70%) | 9 (2.9%) | 4 (2.0%) | 5 (4.7%) | 0.283 |
Previous oncologic treatment | 148 (48.1%) | 95 (47.0%) | 53 (50.0%) | 0.620 |
Metastatic disease | 55 (17.9%) | 35 (17.3%) | 20 (18.8%) | 0.737 |
Preoperative abnormal EKG | 67 (21.8%) | 39 (19.3%) | 28 (26.4%) | 0.151 |
Hemoglobin (< 12 g/dL) | 94 (30.5) | 52 (25.7%) | 42 (39.6%) | 0.012 |
ASA physical status (≥3) | 62 (20.1%) | 28 (13.8%) | 34 (32.0%) | < 0.001 |
Sodium (< 135 mEq/L) | 16 (5.2%) | 7 (13.5%) | 9 (8.5%) | 0.059 |
Potassium (< 3.5 or > 5.0 mEq/L) | 34 (11%) | 22 (11.0%) | 12 (11.3%) | 0.909 |
Systolic pressure (mmHg), median (IQR) | 127 (112–140) | 129 (113–142) | 125 (111–138) | 0.134 |
Diastolic pressure (mmHg), median (IQR) | 80 (71–88) | 80 (72–90) | 80 (71–86) | 0.194 |
Heart rate (bpm), median (IQR) | 77 (67–89) | 76 (67–89) | 78 (67–89) | 0.482 |
Creatinine (mg/dL), median (IQR) | 0.84 (0.73–1.00) | 0.82 (0.72–0.95) | 0.87 (0.74–1.12) | 0.020 |
Platelets (103 cells/mm3), median (IQR) | 234 (193–292) | 233 (193–286) | 239 (192–303) | 0.686 |
EQ-5D-3 L | 0.84 (0.72–0.88) | 0.87(0.73–0.88) | 0.81(0.67–0.88) | 0.063 |
VAS | 80 (60–90) | 80(70–90) | 70(60–87.5) | 0.081 |