Table I.
Patients’ demographics.
| Characteristic | Mean |
|---|---|
| Age, years (min–max) | 69 (54–82) |
| Gender | M: 4, F: 68 |
| Medical history of hypertension (%) | 52 (72%) |
| History of aspirin use (%) | 20 (28%) |
| Height, cm (min–max) | 152 (139–170) |
| Weight, kg (min–max) | 61 (41–92) |
| Body mass index, kg/m2 (min–max) | 26.5 (17–35) |
| Systolic blood pressure, mmHg (min–max) | 126 (100–150) |
| Diastolic blood pressure, mmHg (min–max) | 77 (60–100) |
| Heart rate, beats per min (min–max) | 68 (40–84) |
| Pre-operative hemoglobin level, g/dL (min–max) | 13.1 (11.3–15.7) |
| Pre-operative platelet count, /μL (min–max) | 260,000 (156,000–379,000) |
| Pre-operative prothrombin time, sec (min–max) | 10.8 (8.5–13.1) |
| Pre-operative activated partial thromboplastin time, sec (min–max) | 30.2 (22.4–46.5) |
| Operation time, min (min–max) | 158 (130–200) |