14 April 2023 : Clinical Research
Efficacy and Safety of Low-Dose versus High-Dose Postoperative Intrathecal Morphine in 62 Women Undergoing Elective Cesarean Section Delivery at Full Term
Liu Fei1ADE, Hao Shuai2ABE, Zhou Chen3CD, Yao Jie4BD, Quan Zhefeng2BE*DOI: 10.12659/MSM.939567
Med Sci Monit 2023; 29:e939567
Table 2 Pain intensity (VAS) comparisons at 4, 12, and 24 hours after the cesarean section between the low- and high-dose morphine groups.
| Variable, mean±SD | Low dose (N=32) | High dose (N=30) | P |
|---|---|---|---|
| Resting pain | |||
| 4 hours | 2.1±0.5 | 2.2±0.4 | 0.389 |
| 12 hours | 3.3±1.3 | 3.1±1.1 | 0.517 |
| 24 hours | 3.5±1.5 | 3.6±1.7 | 0.807 |
| Exercise pain | |||
| 4 hours | 3.3±0.8 | 3.5±0.6 | 0.272 |
| 12 hours | 4.5±2.0 | 4.6±1.7 | 0.833 |
| 24 hours | 4.3±1.5 | 4.4±1.3 | 0.780 |
| Mean±SD – mean±standard deviation; VAS – visual analog scale. | |||