Table 3.
Anesthetics characteristics and comparison between dependent and independent variables, n (320) 2024
| Variables | Total n (%) |
SIAH | P-value | |
|---|---|---|---|---|
| Yes n (%) |
No n (%) |
|||
| BP prior induction | ||||
| Normal Bp | 268 (83.8) | 219 (87.6) | 49 (70.0) | < 0.001 |
| Low Bp | 15 (4.7) | 13(5.2) | 2 (2.9) | |
| High Bp | 37 (11.6) | 18(7.2) | 19 (27.1) | |
| Preload | ||||
| Yes | 43 (13.4) | 29 (11.6) | 14 (20.0) | 0.069 |
| No | 277 (86.6) | 221 (88.4) | 56 (80.0) | |
| Volume of preload (ml) | ||||
| Less than or equal 500 | 24 (7.5) | 15 (51.7) | 9 (64.3) | 0.437 |
| > 500 | 19 (5.9) | 5(35.7) | 14 (48.3) | |
| Duration of preload (min) | ||||
| Less than or equal 5 | 14(4.4) | 9 (3.6) | 5 (7.1) | 0.434 |
| > 5 | 22(6.9) | 17 (6.8) | 5 (7.1) | |
| None | 284(88.7) | 224 (89.6) | 60(85.7) | |
| Patient positioning after spinal | ||||
| Leg wrapping | 7(2.2) | 5 (2.0) | 2 (2.9) | 0.643a |
| Left lateral table tilt | 10(3.1) | 9 (3.6) | 1 (1.4) | |
| None | 303(94.7) | 236 (94.4) | 67 (95.7) | |
| Interspace at which SAB was administered | ||||
| L3-L4 | 115(35.9) | 81 (32.4) | 34 (48.6) | 0.013 |
| L4-L5 | 205(64.1) | 169 (67.6) | 36 (51.4) | |
| Metoclopramide medication | ||||
| Yes | 49(15.3) | 33 (13.2) | 16 (22.9) | 0.047 |
| No | 271(84.7) | 217 (86.8) | 54 (77.1) | |
| Ephedrine medication | ||||
| Yes | 149 (46.6) | 93 (37.2) | 56 (80.0) | < 0.001 |
| No | 171 (53.4) | 157 (62.8) | 14 (20.0) | |
| Phenylephrine medication | ||||
| Yes | 58 (18.1) | 45 (18.0) | 13 (18.6) | 0.913 |
| No | 262 (81.9) | 205 (82.0) | 57 (81.4) | |
| Interval between spinal induction and skin incision (min) | ||||
| 5–6 | 301(94.1) | 233 (93.2) | 68 (97.1) | 0.267 |
| > 6 | 19 (5.9) | 17 (6.8) | 2 (2.9) | |
| Amount of crystalloid intraoperative (ML) | ||||
| 1000 | 37(11.6) | 22 (8.8) | 15 (21.4) | 0.006 |
| 1000 | 161(50.3) | 125 (50.0) | 36 (51.4) | |
| > 1500 | 122(38.1) | 103 (41.2) | 19 (27.1) | |
| Preoperative hemoglobin | ||||
| Above 11 g/dl | 191(59.7) | 136 (54.4) | 55 (78.6) | < 0.001 |
| Below 11 g/dl | 129(40.3) | 114 (45.6) | 15 (21.4) | |
| Indication for C/S | ||||
| Malpresentation | 84(26.2) | 69 (27.6) | 15 (21.4) | < 0.001 |
| Non-reassuring fetal status | 105(32.8) | 81 (32.4) | 24 (34.3) | |
| Previous scar | 94(29.4) | 82 (32.8) | 12 (17.1) | |
| Uterine rapture | 8(2.5) | 6 (2.4) | 2 (2.9) | |
| Pregnancy-related high blood pressure disorders | 29 (9.1) | 12 (4.8) | 17 (24.3) | |
The p-value (bold) was calculated using the chi-square test to assess the association between the dependent and independent variables, with a significance level of α = 0.05
aFisher’s exact test