Table 1.
Patient characteristics
Males (n = 55) | Females (n = 29) | |||
Mean | Rangea | Mean | Rangea | |
Age (years) | 67 | 24–84 | 69 | 45–83 |
Height (cm) | 174 | 160–185 | 160 | 148–172 |
Weight (kg) | 88.2 | 60.0–150.7 | 69.3 | 41.2–112.7 |
Body surface area (m2) | 2.07 | 1.66–2.54 | 1.71 | 1.33–2.11 |
Heart rate (beats per min) | 86 | 57–116 | 87 | 57–117 |
Cardiac output (l/min)b | 6.2 | 3.1–9.2 | 4.6 | 1.7–7.5 |
Cardiac index (l/min/m2) | 3.01 | 1.74–4.29 | 2.7 | 1.38–3.96 |
Stroke volume (ml) | 72.2 | 37.7–106.8 | 54.4 | 16.1–92.8 |
Mean arterial pressure (mmHg) | 73.0 | 49.5–96.5 | 72.0 | 45.8–98.3 |
aFor age, height, weight, and body surface area, ranges are minimum–maximum; for heart rate, cardiac output, cardiac index, stroke volume, and mean arterial pressure, ranges are ± 2 standard deviations. bMean cardiac output as measured by arterial pressure-based cardiac output.