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Table 3 Baseline risk factors for delirium in patient population

From: Room transfers and the risk of delirium incidence amongst hospitalized elderly medical patients: a case–control study

Risk factor Control patients without delirium in first week (Number, %) (N = 868) Patients who developed incident delirium in first week (Number, %) (N = 126) P-value Odds ratios 95 % confidence intervals
Vision impairment 33 (3.8 %) 2 (1.6 %) 0.21 0.41 0.09 to 1.72
Cognitive impairment 138 (15.9 %) 18 (14.3 %) 0.64 0.88 0.52 to 1.50
Dehydration 249 (28.7 %) 46 (36.5 %) 0.07 1.43 0.7 to 2.11
Severe illness 155 (17.9 %) 29 (23.0 %) 0.16 1.38 0.88 to 2.16