Risk Factors for Tube Shunt Exposure: A Matched Case-Control Study

Table 2

Risk factors associated with tube exposure.

Risk factor	𝛽±SE	Odds ratio	𝑃 value	95% confidence interval
Hispanic ethnicity	1.28±0.51	3.6	0.0115	1.3–9.7
Neovascular glaucoma	3.35±1.23	28.5	0.0064	2.6–316.9
Previous trabeculectomy	1.66±0.62	5.3	0.0070	1.6–17.7
Combined surgery	1.31±0.63	3.7	0.0381	1.1–12.7

𝛽±SE: estimated parameter from the conditional logistic regression model with standard error.