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Demographics and individual cognitive performance at different timepoints.
Note: Black: impairment in at least one cognitive function, i.e., equivalent score (ES) = 0 or score below the cut-off; dark grey: ES = 1 in at least one cognitive measure; light grey: ES > 1 or score above the cut-off in all cognitive measures. CPAP: continuous positive airway pressure; OTI: orotracheal intubation.
