Review Article
Intraoperative Blood Loss and Postoperative Pain in the Sagittal Split Ramus Osteotomy and Intraoral Vertical Ramus Osteotomy: A Literature Review
Table 2
Demographic and study characteristics in the postoperative pain of the included studies.
| Author | Technique | Subgroups | Age | Sex | Operation time | Postoperative pain (VAS) | Year | | Sample | Mean (years) | F (female) | Mean (minute) | | | | Country of origin | | | Range (years) | M (male) | Range (minute) | First day | Second day | Third day |
| Nagatsuka et al. | SSRO | Multimodal analgesia group () Control group () | | F: 25, M: 16 | | 2.5-3 | 2-2.5 | 2-2.5 | 2000 | | | | | | | | Japan | | | F: 28, M: 13 | | 2.5-3 | 2.5-3 | 2-2.5 | Kim et al. | SSRO | Hegu group () | | F: 14, M: 14 | | 2-2.5 | 1-1.5 | 0.5-1 | 2009 | | Sham group () | | F: 13, M: 15 | | 4.5-5 | 2.5-3 | 1.5-2 | Korea | | Control group () | | F: 15, M: 13 | | 4.5-5 | 2.5-3 | 1.5-2 | Chen et al. | IVRO | | F: | F: 26 | F: | F: | F: | NA | 2012 | | | M: | M: 16 | M: | M: | M: | NA | Taiwan | | | | | | | | | Raschke et al. | SSRO | | | F: 18 | | Maximum pain | NA | NA | 2017 | | | | M: 13 | | | | | Germany | | | | | | Minimal pain | NA | NA | | | | | | | | | |
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: number of samples; NA: not available; VAS: visual analog scale. |