Table 3. Adjusted odds ratio obtained by means of logistic regression models for the associations of the more pathogenic bacterial groups with certain co-morbidities of 8333 patients undergoing cataract surgery.

	Staphylococcus aureus		Gram-negative rods		Streptococcus pneumoniae		Enterococci		Other Streptococci
	OR (95% CI)	P-value	OR (95% CI)	P-value	OR (95% CI)	P-value	OR (95% CI)	P-value	OR (95% CI)	P-value
Age	1.01 (1.00–1.02)	0.007	1.02 (1.00–1.03)	0.026	1.01 (0.99–1.03)	0.300	1.04 (1.02–1.06)	0.001	1.04 (1.03–1.05)	<0.001
Male sex	1.23 (1.02–1.47)	0.026	1.55 (1.20–2.00)	0.001	2.25 (1.64–3.08)	<0.001	0.90 (0.62–1.32)	0.598	0.84 (0.72–0.97)	0.020
Diabetes	1.24 (1.05–1.47)	0.010	1.20 (0.96–1.51)	0.115	0.89 (0.65–1.21)	0.453	1.54 (1.11–2.13)	0.009	1.15 (1.01–1.32)	0.038
Lung diseases	1.27 (1.03–1.56)	0.023	1.14 (0.86–1.53)	0.361	0.84 (0.57–1.26)	0.399	1.28 (0.85–1.93)	0.243	1.03 (0.86–1.22)	0.770
Smokers+ex-smokers	0.86 (0.70–1.06)	0.165	1.34 (1.03–1.74)	0.029	0.90 (0.64–1.27)	0.554	1.26 (0.83–1.92)	0.281	1.07 (0.90–1.28)	0.419
Renal insufficiency	1.29 (1.02–1.64)	0.037	1.33 (0.94–1.78)	0.111	0.95 (0.61–1.50)	0.838	0.82 (0.48–1.41)	0.479	1.02 (0.83–1.26)	0.839
Heart insufficiency	1.55 (1.21–1.98)	<0.001	0.82 (0.55–1.20)	0.304	1.18 (0.73–1.91)	0.500	1.15 (0.69–1.90)	0.598	0.99 (0.79–1.23)	0.910
Kiphoscoliosis	1.14 (0.67–1.94)	0.622	1.11 (0.51–2.41)	0.789	2.95 (1.51–5.79)	0.002	0.83 (0.26–2.67)	0.756	1.10 (0.74–1.64)	0.644
Handicapped patients	0.97 (0.69–1.36)	0.844	0.99 (0.62–1.57)	0.957	0.89 (0.42–1.53)	0.502	1.56 (0.89–2.73)	0.123	1.41 (1.10–1.80)	0.006

Abbreviations: CI, confidence intervals; OR, odd ratio.

Bold-typed numbers indicate those positive associations that are statistically significant.