Table 1: Patient characteristics.
| Total number of patients | GNT | GTREAT | GNO TREAT | P | |
| N | 341 | 203 | 98 | 40 | |
| Age (years) | 44 (33-58) | 36 (29-46.5) | 55 (44-68) | 57 (46-76) | < 0.0001* |
| Sex (F) | 178 (52.2) | 88 (43.4) | 65 (66.3) | 25 (62.5) | < 0.0001** |
| BMI (kg.m-2) | 26.8 (24.2-29.9) | 25.7 (23.9-28.4) | 27.9 (25.6-32.0) | 30.5 (23.7-34.1) | < 0.0001* |
| Physical status | |||||
| ASA I | 102 (29.9) | 117 (57.6) | 0 | 0 | < 0.0001** |
| ASA II | 223 (65.6) | 83 (40.9) | 87 (88.8) | 30 (75.0) | < 0.0001** |
| ASA III | 16 (4.5) | 3 (1.5) | 11 (11.2) | 10 (25.0) | < 0.0001** |
Data are presented as the median (25th and 75th percentiles) or number of patients (%).
GNT: Normotensive patients; GTREAT: Treated hypertensive patients; GNO TREAT: Hypertensive patients without treatment; F: Female; BMI: Body mass index; ASA: Physical status (American Society of Anesthesiologists class); *: Kruskal-Wallis test for GNT, GTREAT and GNO TREAT; **: Chi-square test for GNT, GTREAT and GNO TREAT.