Table 3.

Generalized Estimating Equation Models of Age-Adjusted Prevalence Rate Ratios Comparing Blindness and Moderate to Severe Visual Impairment Resulting from Nontrachomatous Corneal Opacity in Each Region with the Rate in Latin America

Region	Blindness			Moderate to Severe Visual Impairment
	Rate Ratio Estimate	95% Confidence Interval	P Value	Rate Ratio Estimate	95% Confidence Interval	P Value
Europe	0.80	0.27–2.38	0.69	0.67	0.31–1.46	0.31
East Asia	2.25	1.38–3.68	0.001	3.48	1.43–8.47	0.006
North Africa and Middle East	6.89	2.81–16.85	< 0.0001	8.21	2.89–23.37	< 0.0001
South Asia	2.44	1.04–5.73	0.04	4.65	1.83–11.83	0.001
Southeast Asia	1.70	0.81–3.56	0.157	4.09	1.76–9.54	0.001
Sub-Saharan Africa	4.05	2.24–7.32	< 0.0001	3.72	2.02–6.86	< 0.0001