Surgical procedure
Intraoperative data acquired from surgical videos are shown in Table 
Surgical Procedure of the Two GroupsNoneRoom airC3F8Silicone oil11 (44.0%)1 (4.0%)2 (8.0%)11 (44.0%)6 (27.3%)0 (0%)5 (22.7%)11 (50.0%)*Based on t-test; †based on chi-square test/Fisher’s exact test; ǂbased on Mann–Whitney U test.27G, 27-gauge; 25G, 25-gauge; VP, vitrectomy probe.