Table 1.
Selected characteristics of the filtered and unfiltered study data set.
| Covariate | Filtered 10,000-sentence sample (n=441) | Unfiltered 1000-sentence sample (n=80) | Absolute standardized difference | |||
| Age (years), mean (SD) | 82.7 (7.9) | 82.8 (7.5) | 0.02 | |||
| Age categories (years), n (%) | ||||||
|
|
65-70 | 36 (8.2) | 5 (6) | 0.07 | ||
|
|
71-75 | 51 (11.6) | 9 (11) | 0.01 | ||
|
|
76-80 | 68 (15.4) | 12 (15) | 0.01 | ||
|
|
81-85 | 96 (21.8) | 17 (21) | 0.01 | ||
|
|
>85 | 190 (43.1) | 37 (46) | 0.06 | ||
| Sex, n (%) | ||||||
|
|
Female | 283 (64.2) | 56 (70) | 0.12 | ||
|
|
Male | 158 (35.9) | 24 (30) | 0.12 | ||
| Race, n (%) | ||||||
|
|
White | 389 (88.2) | 70 (88) | 0.02 | ||
|
|
Black | 19 (4.3) | 4 (5) | 0.03 | ||
|
|
Other | 33 (7.5) | 6 (8) | 0.00 | ||
| Frailty score, mean (SD) | 0.26 (0.1) | 0.25 (0.1) | 0.06 | |||
| Comorbidities, n (%) | ||||||
|
|
Falls | 172 (39.0) | 30 (38) | 0.03 | ||
|
|
Pressure ulcer | 57 (12.9) | 11 (14) | 0.02 | ||
|
|
Failure to thrive or body weight loss | 89 (20.2) | 15 (19) | 0.04 | ||
|
|
Use of feeding tube | 7 (1.6) | 2 (3) | 0.06 | ||
|
|
Aspiration pneumonia | 33 (7.5) | 1 (1) | 0.31 | ||
|
|
UTIa | 192 (43.6) | 34 (43) | 0.02 | ||
|
|
Incontinence | 73 (16.6) | 14 (18) | 0.03 | ||
|
|
Dysphagia (eating problems) | 50 (11.3) | 6 (8) | 0.13 | ||
| Medications, n (%) | ||||||
|
|
1st line dementia medication use | 49 (11.1) | 7 (9) | 0.08 | ||
|
|
Memantine use | 21 (4.8) | 4 (5) | 0.01 | ||
|
|
Antipsychotic medication use | 38 (8.7) | 8 (10) | 0.05 | ||
| Health care use, mean (SD) | ||||||
|
|
Hospitalizations, n | 1.32 (1.7) | 1.25 (2) | 0.04 | ||
|
|
ERb visits, n | 2.40 (2.7) | 2.00 (2) | 0.16 | ||
|
|
Outpatient visits, n | 11.54 (8.8) | 10.15 (9) | 0.16 | ||
|
|
Medications, n | 13.06 (7.8) | 11.94 (8) | 0.14 | ||
| Nursing home stay of >100 days in baseline, n (%) | 17 (3.9) | 6 (8) | 0.16 | |||
| Hospice care, n (%) | 12 (2.7) | 4 (5) | 0.12 | |||
aUTI: urinary tract infection.
bER: emergency room.