| Variables | Frequency | % |
| Intraoperative complications |
|
|
| None | 1324 | 67.8 |
| Arterial hypotension | 447 | 22.9 |
| Anxiety | 102 | 5.2 |
| Failure or insufficient block | 50 | 2.5 |
| Pruritus | 25 | 1.3 |
| Vomiting/epigastralgia | 17 | 0.9 |
| Thrill | 5 | 0.3 |
| High spinal anaesthesia | 3 | 0.2 |
| Bradycardia | 2 | 0.1 |
| Allergic reaction | 2 | 0.1 |
| High blood pressure | 1 | 0.1 |
| Bronchospasm | 1 | 0.1 |
| Cardiopulmonary arrest recovered | 1 | 0.1 |
| Postoperative complications |
|
|
| None | 1834 | 93.8 |
| Minors | 40 | 2.0 |
| Wall infections | 22 | 1.1 |
| Urine retention | 5 | 0.3 |
| Headache postspinal anaesthesia | 3 | 0.2 |
| Endometritis | 3 | 0.2 |
| Urinary tract infection | 2 | 0.1 |
| Moderate anemia | 2 | 0.1 |
| Overdosis morphinic | 1 | 0.1 |
| Majors | 69 | 3.5 |
| Severe anemia | 49 | 2.3 |
| Maternal death | 11 | 0.6 |
| Preeclampsia | 6 | 0.3 |
| Eclampsia | 6 | 0.3 |
| Pulmonary embolism | 2 | 0.1 |
| Ureters ligation | 1 | 0.1 |
| Bladder-vaginal fistula | 1 | 0.1 |
| Bladder injury | 1 | 0.1 |
| Post-anox encephalopathy | 1 | 0.1 |
| Postoperative peritonitis | 1 | 0.1 |