Outcomes of Late-Onset Bleb-Related Endophthalmitis Treated with Pars Plana Vitrectomy

Table 4

Comparison factors between BREs with and without poor visual outcome.

Parameter	Number of BREs	Number of BREs with poor visual outcome (%)	value
Demographic characteristics
Sex
Male	8	3 (38)	1.0000
Female	6	2 (33)
Age (old age ≤ 60)
Young age	7	1 (14)	0.2657
Old age	7	4 (57)
Systemic conditions
Diabetes mellitus
Yes	2	0	0.5055
No	12	5 (42)
Connective tissue disease
Yes	3	1 (33)	1.0000
No	11	4 (36)
Oral administration of corticosteroids
Yes	2	0	0.5055
No	12	5 (42)
Lens status
Phakia	6	3 (67)	0.0909
IOL or aphakia	8	2 (13)
Blepharitis
Yes	2	1 (50)	1.0000
No	12	4 (33)
Surgical factors
Reoperation trabeculectomy before BRE
Yes	4	2 (50)	0.5804
No	10	3 (30)
Bleb location
Superior	13	4 (31)	0.3571
Inferior	1	1 (100)
Antimetabolites (MMC)
Yes	14	5 (36)	NA
No	0	0
Type of conjunctival flap
Fornix base	2	1 (50)	1.0000
Limbus base	12	4 (33)
Conjunctival suture with silk
Yes	0	0	NA
No	14	5 (36)
Postoperative complications
Early leak
Yes	0	0	NA
No	14	5 (36)
Choroidal effusion
Yes	0	0	NA
No	14	5 (36)
Hypotony (<8 mmHg)
Yes	4	3 (75)	0.0949
No	10	2 (20)
Late on-set leak
Yes	6	2 (33)	1.0000
No	8	3 (38)
Cataract surgery before BRE
Yes	4	1 (25)	1.0000
No	10	4 (40)
Postoperative bleb manipulation (revision or needling)
Yes	6	2 (33)	1.0000
No	8	3 (38)
PSITE
≥1 day	12	4 (33)	1.0000
<1 day	2	1 (50)
Highly pathogenic bacteria infection
Yes	8	5 (63)	0.0310
No	6	0

NA = not applicable.
Fisher’s exact test.