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Table 3 Estimated distributions of the predicted mean OSDI score

From: Prevalence of ocular surface disease symptoms and risk factors in group of university students in Monterrey, Mexico

Student Mean OSDI score (95% CI)—disease category
A female student that does not smoke and does not use eye drops (fa) 26 (24,28)—mild
A female student that smokes and does not use eye drops (fb) 30 (27,33)—moderate
A female student that smokes and uses eye drops (fc) 46 (41,51)—severe
A male student that does not smoke and does not use eye drops (ma) 21 (19,23)—normal/mild
A male student that smokes and does not use eye drops (mb) 25(22,28)—mild/moderate
A male student that smokes and uses eye drops (mc) 40 (35,45)—severe