Table 2 Baseline characteristics of the studied population
All patients, n = 40 | Normotensive patients, n = 22 (55%) | Hypotensive patients, n = 18 (45%) | p-value | |
|---|---|---|---|---|
Sex M/F (%) | 65/35 | 73/27 | 56/44 | 0.27 |
Age, years [IQR] | 68 [60–74] | 66 [60–71] | 73 [64–75] | 0.10 |
Height, cm [IQR] | 175 [166–182] | 174 [167–183] | 176 [165–180] | 0.94 |
Weight, kg [IQR] | 78 [71–93] | 74 [70–80] | 90 [75–103] | < 0.01 |
BMI, kg/m2 [IQR] | 25.3 [23.7–27.9] | 23.8 [22.8–25.6] | 27.5 [25.3–30.1] | < 0.01 |
BSA, m2 [IQR] | 2.0 [1.8–2.2] | 1.9 [1.8–2.0] | 2.1 [1.9–2.3] | 0.02 |
ASA class I/II/III (%) | 20/57/23 | 32/59/9 | 6/55/39 | < 0.01 |
Preoperative fasting time, min [IQR] | 315 [180–630] | 240 [180–420] | 405 [210–660] | 0.06 |
Vascular disease, n (%) | 4 (10) | 2 (9) | 2 (11) | 0.84 |
LVF, moderate/good/ unknown (%) | 3/22/75 | 5/27/68 | 0/17/83 | 0.22 |
RVF, moderate/good/ unknown (%) | 3/22/75 | 5/27/68 | 0/17/83 | 0.21 |
Fluids before spinal anesthesia, mL [IQR] | 50 [0–100] | 25 [0–50] | 63 [25–100] | 0.48 |
Fluids after spinal anesthesia, mL [IQR] | 125 [100–163] | 105 [50–150] | 150 [125–200] | 0.01 |