Table 2. Intraoperative variables in all 394 patients with comparison between eyes with and without the development of IRT.

Parameters	Iatrogenic tear (n=11)	No iatrogenic tear (n=383)	Pa
20-gauge PPV	45	16	0.02
Triamcinolone acetonide used	64	71	0.74
Viewing system, BIOM/AVI/RESIGHT/EIBOS	46/18/18/18	38/32/19/12	0.76
Retina surgeons (Barak Y, Barr C, Saleh O, Schaal S)	36/27/18/18	43/26/17/14	0.93

IRT: Iatrogenic retinal tears; PPV: Pars plana vitrectomy; BIOM: BIOM^® (OCULUS Surgical, Inc., Wetzlar, Germany); AVI: A.V.I.^® (Advanced Visual Instruments, Inc., NY, USA); RESIGHT: Resight 700^® (Carl Zeiss Meditec AG, Jena, Germany); EIBOS: EIBOS^® (HAAG-STREIT SURGICAL, Wedel, Germany). ^aChi-square with Yates correction.

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