Table 3. Proportions of good visual outcome (more than 20/40 visual acuity) after endophthalmitis treatment: a comparison between primary vitrectomy and intravitreal antibiotic injection as initial treatments.

		Final VA≥20/40		Pa
		n	%
All cases	164
Primary vitrectomy with IOAI	112	58	51.8	0.128
IOAI only	52	34	65.4
Cases with presenting VA of HM	86
Primary vitrectomy with IOAI	60	34	56.7	0.809
IOAI only	26	14	53.8
Cases with presenting VA more than HM	139
Primary vitrectomy with IOAI	87	54	62.1	0.695
IOAI only	52	34	65.4

Abbreviations: CF, counting finger; HM, hand motion; IOAI, intraocular antibiotics injection; LP, light perception; VA, visual acuity.

^aChi-Square test.