Patient characteristics and surgical values
| TPVB | ESPB | |
| Sample size, n | 40 | 41 |
| Patient characteristics | ||
| Mean age (SD) in years | 67 (8) | 70 (7) |
| Mean BMI (SD) in kg/m2 | 23.4 (3.2) | 23.6 (3.4) |
| Sex, n (%) |
| |
| Male | 25 (62.5) | 23 (56.1) |
| Female | 15 (37.5) | 18 (43.9) |
| ASA status, n (%) | ||
| I | 2 (5) | 2 (4.8) |
| II | 29 (72.5) | 29 (70.7) |
| III | 9 (22.5) | 8 (19.5) |
| Surgical values | ||
| Mean duration of surgery (SD) in minutes | 178.6 (28.2) | 179.3 (48.0) |
| Mean duration of anesthesia (SD) in minutes | 267.2 (31.4) | 265.8 (46.7) |
| Mean intraoperative fentanyl use (SD) in μg/kg | 6.5 (0.65) | 6.5 (0.45) |
| Mean intraoperative remifentanil use (SD) in μg/kg/min | 0.24 (0.06) | 0.27 (0.06) |
ASA, American Society of Anesthesiologists; ESPB, erector spinae plane block; TPVB, thoracic paravertebral block.