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. 2022 Mar 11;12:4258. doi: 10.1038/s41598-022-08277-y

Table 2.

Surgical procedure of patients with MHRD who underwent inverted ILM flap covering technique or inverted ILM flap insertion technique.

ILM flap covering (n = 23) ILM flap insertion (n = 25) Total (n = 48) P
Duration of PPV course (min, mean ± SD) 48.65 ± 10.18 49.80 ± 9.35 49.25 ± 9.67 0.686
Use of PFO, n (%) 11 (47.8) 13 (52.0) 24 (50.0) 0.773
Presence of attached posterior hyaloid or epiretinal membrane (present/absent), n (%) 10 (43.5)/13 (56.5) 11 (44.0)/14 (56.0) 21 (43.8)/27 (56.3) 0.971
Combined cataract surgery, non-PEA/PEA + IOL/PEA only, n (%) 5 (21.7)/6 (26.1)/12 (52.2) 10 (40)/8 (32.0)/7 (28.0) 15 (31.3)/14 (29.2)/19 (39.6) 0.203
Duration of SO before prim surg removal (months, mean ± SD) 4.65 ± 1.70 4.36 ± 1.66 4.50 ± 1.66 0.415
Follow-up time (months, mean ± SD) 21.52 ± 4.11 22.40 ± 4.23 21.98 ± 4.15 0.470

*Fisher’s exact probability test.

Mann–Whitney U test.

PPV pars planar vitrectomy, PFO perfluoro-n-octane, PEA phacoemulsification and aspiration, IOL intraocular lens, SO silicone oil.