Fig. 4
From: Improving comfort in people with dementia and pneumonia: a cluster randomized trial
Mean DS-DAT score (a) and mean PAINAD score (b) (95 % confidence interval) on observation day 2 by year of data collection before and after the start of the intervention phase in both control and intervention homes. Range of the number of observations per period: −2 years: 14–16, –1 year: 136–140, 1 year: 105–109, 2 years: 35–36. DS-DAT Discomfort Scale-Dementia of Alzheimer Type; range 0–27, PAINAD Pain Assessment in Advanced Dementia; range 0–10