Table 1 Baseline demographic and intraoperative data of patients responding to fluid challenge or not
Variable | All patients (n = 70) | Responder (n = 30) | Non-responder (n = 40) | P value |
|---|---|---|---|---|
Age (yr) | 61 (52–68) | 61 ± 9 | 63 (51–70) | 0.891 |
Female (n, %) | 34 (48.6) | 18 (60) | 16 (40) | 0.098 |
BMI (kg m−2) | 23.24 ± 1.64 | 23.14 ± 1.61 | 23.32 ± 1.69 | 0.668 |
BSA (m2) | 1.65 ± 0.13 | 1.62 ± 0.12 | 1.67 ± 0.13 | 0.164 |
ASA (III, %) | 59 ± 84.3 | 27 ± 90 | 32 ± 10 | 0.420 |
Medical history | ||||
Hypertension | 19 (27.1) | 14 (46.7) | 15 (37.5) | 0.441 |
Diabetes mellitus (n, %) | 10 (14.3) | 6 (20) | 4 (10) | 0.402 |
History of coronary artery disease (n, %) | 2 (2.9) | 0 (0) | 2 (5) | 0.503 |
History of cerebrovascular artery disease (n, %) | 5 (7.1) | 3 (10) | 2 (5) | 0.645 |
Surgey duration (h) | 3.46 (2.71–4.23) | 3.63 (2.75–4.81) | 3.42 (2.62–4.06) | 0.458 |
Fluid infusion (ml) | 2000 (2000–2600) | 2250 (2000–2850) | 2000 (1575–2500) | 0.224 |
Estimated blood loss (ml) | 200 (100–300) | 200 (100–325) | 200 (100–300) | 0.775 |
Urine output (ml) | 500 (275–800) | 600 (200–938) | 400 (300–650) | 0.220 |
Use of intraoperative vascular active agents (n, %) | 13 (18.6) | 4 (13.3) | 9 (22.5) | 0.329 |
Types of surgery | 0.093 | |||
Radical resection of hepatobiliary and pancreatic tumors | 29 (41.4) | 15 (50) | 14 (35) | |
Radical resection of gastrointestinal tumors | 25 (35.7) | 11 (36.7) | 14 (35) | |
Radical resection of urological tumors | 11 (15.7) | 2 (6.7) | 9 (22.5) | |
Others | 5 (7.1) | 2 (6.7) | 3 (7.5) | |