Case Control Analyses of Acute Endophthalmitis after Cataract Surgery in South India Associated with Technique, Patient Care, and Socioeconomic Status

Table 3

Distribution of exposure factors between cases of endophthalmitis and their controls (univariate analysis).

Independent factor	Category	Cases	Controls	Fisher exact test	Unadjusted odds ratio
		𝑛=62	𝑛=310
Age	—	58 ± 14	59 ± 13	0.600	0.99 (0.77–1.02)
Gender	Female	24; 38.7%	134; 43.2%	0.574	1
	Male	38: 61.3%	176; 56.8%		1.21 (0.69–2.11)
Residence*	Out of city	34; 54.8%	213; 68.7%	0.040	1
	Inside city	28; 45.2%	97; 31.3%		1.81 (1.04–3.15)
Diabetes	No	53; 85.5%	256; 82.6%	0.711	1
	Yes	09; 14.5%	54; 17.4%		0.81 (0.37–1.73)
HTN	No	54; 87.1%	253; 81.6%	0.362	1
	Yes	08; 12.9%	57; 18.4%		0.66 (0.3–1.46)
Care*	Inpatient	19; 30.6%	143; 46.1%	0.025	1
	Ambulatory	43; 69.4%	167; 53.9%		1.94 (1.08–3.48)
Paying status	Paying	28; 45.2%	181; 58.4%	0.068	1
	Nonpaying	34; 54.8%	129; 41.6%		1.7 (0.98–2.95)
Surgery*	ECCE	46; 74.2%	255; 82.3%	0.157	1
	Phaco	16; 25.8%	55; 17.7%		1.61 (0.85–3.06)
Surgeon	Fellow	13; 21.0%	76; 24.5%	0.627	1
	Faculty	49; 79.0%	234; 75.5%		1.22 (0.63–2.38)

*Factors used in multivariate analysis.