Endoscopy-assisted vitrectomy vs. vitrectomy alone: comparative study in complex retinal detachment with proliferative vitreoretinopathy

Table 3 Intraoperative ocular characteristics

	PPV-only	E-PPV	p value
PVR
B, n (%)^a	26 (40.6)	18 (48.6)	0.533
C, n (%)^a
1	19 (29.7)	6 (16.2)	0.156
2	15 (23.4)	7 (18.9)	0.803
3	11 (17.2)	6 (16.2)	> 0.999
3-Anterior	4 (6.3)	3 (8.1)	0.705
3-Posterior	7 (10.9)	3 (8.1)	0.742
4	6 (9.4)	3 (8.1)	> 0.999
5	6 (9.4)	12 (32.4)	0.006
Perisilicone proliferation
n (%)^a	(3.1)	(13.5)	0.048
Retinectomy
180º, n (%)^a	11 (17.2)	14 (37.8)	0.031
270º, n (%)^a	4 (6.3)	3 (8.1)	0.705
360º, n (%)^a	7 (10.9)	6 (16.2)	0.541
Tamponade^b
Air, n (%)^a	1 (1.9)	3 (8.3)	0.119
SF6, n (%)^a	0 (0)	2 (5.6)
C3F8, n (%)^a	14 (26.4)	6 (16.7)
SO, n (%)^a,c	38 (71.7)	25 (69.4)
PPV (wide-field)
25 g, n (%)^a	50 (94.3)	21 (60.0)	< 0.001
23 g, n (%)^a	3 (5.7)	14 (40.0)
OR (95% CI)	11.1 (2.9–43.5)	Ref.

PPV pars plana vitrectomy, E-PPV endoscopy-assisted PPV, PVR proliferative vitreoretinopathy, Ref reference category, SO silicone oil
^aProportions based on the total number of eyes included
^bTamponade information was missing for eleven eyes in the PPV only group and one eye in the endoscopy-assisted PPV group
^cAn additional 4 patients in the PPV-only group and 8 patients in the E-PPV group had used SO in a previous surgery

ISSN: 2056-9920