Surgical outcomes of the removal of posterior segment metallic intraocular foreign bodies

BMC Ophthalmology

Table 2 The relationships between final visual outcomes with subdivided related factors of preoperative signs, scleral buckle or temponade and postoperative complications

	N. (%).	Final BCVA (logMAR) Mean	P
Preoperative signs
Vitreous hemorrhage (yes/no)	26 (66.67)	1.10/ 0.61	0.178^a
Endophthalmitis (yes/no)	6 (15.38)	1.30/ 0.87	0.690 ^a
Retinal detachment (yes/no)	2 (5.13)	1.15/ 0.93	0.356 ^a
Scleral buckle or temponade
Intraoperative tamponade (yes/no)	21 (53.85)	0.75/ 1.15	0.865 ^a
Concomitant scleral buckle (yes/no)	7 (17.95)	1.03/ 0.92	0.419 ^a
Postoperative complications
Retinal detachment (yes/no)	8 (20.52)	2.12/ 0.63	0.002^*a
Macular CNV and pucker (yes/no)	2 (5.13)	0.05/0.99	0.097 ^a
Macular atrophy and scar (yes/no)	3 (7.69)	1.67/0.88	0.089 ^a

^*P < 0.05, ^a Mann-Whitney U test, N, number; % percentage; BCVA best-corrected visual acuity; logMAR logarithm of minimum angle of resolution

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