Table 1.
Prevalence of Electronic Health Record (EHR) Predictors Included in Final Models by Visit Status
| Visit Status* | ||||
|---|---|---|---|---|
| EHR Predictors | Overall (n=16,655) | No dementia (n=15,640) | Unrecognized dementia (n=498) | Recognized dementia (n=517) |
| Demographics | ||||
| Age in years, mean (SD) | 80.1 (6.6) | 79.7 (6.5) | 85.4 (6.0) | 85.0 (6.2) |
| Female | 10,044 (60) | 9,417 (60) | 304 (61) | 323 (62) |
| Medical diagnoses, past 2 years | ||||
| Congestive heart failure | 2,127 (13) | 1,840 (12) | 138 (28) | 149 (29) |
| Cerebrovascular disease | 2,028 (12) | 1,726 (11) | 107 (21) | 195 (38) |
| Diabetes, any | 2,425 (15) | 2,243 (14) | 99 (20) | 83 (16) |
| Diabetes, complex | 1,205 (7) | 1,090 (7) | 63 (13) | 52 (10) |
| Chronic pulmonary disease | 3,140 (19) | 2,919 (19) | 94 (19) | 127 (25) |
| Hypothyroidism | 2,237 (13) | 2,026 (13) | 95 (19) | 116 (22) |
| Renal failure | 1,761 (11) | 1,587 (10) | 67 (13) | 107 (21) |
| Lymphoma | 183 (1) | 167 (1) | 7 (1) | 9 (2) |
| Solid tumor w/o metastases | 3,894 (23) | 3,656 (23) | 99 (20) | 139 (27) |
| Rheumatoid arthritis | 953 (6) | 877 (6) | 26 (5) | 50 (10) |
| Weight loss | 116 (1) | 91 (1) | 3 (1) | 22 (4) |
| Fluid and electrolyte disorders | 2,215 (13) | 1,914 (12) | 99 (20) | 202 (39) |
| Blood loss anemia | 737 (4) | 661 (4) | 30 (6) | 46 (9) |
| Psychoses | 471 (3) | 308 (2) | 35 (7) | 128 (24) |
| Depression | 2,573 (15) | 2,235 (14) | 129 (26) | 209 (40) |
| Traumatic brain injury | 252 (2) | 211 (1) | 22 (4) | 19 (4) |
| Tobacco use disorder | 1,213 (7) | 1,132 (7) | 24 (5) | 57 (11) |
| Atrial fibrillation | 2,513 (15) | 2,260 (14) | 117 (23) | 136 (26) |
| Gait abnormality | 1,534 (9) | 1,292 (8) | 87 (17) | 155 (30) |
| Vital signs, most recent, past 3 years | ||||
| Underweight (BMI<18.5) | 289 (2) | 243 (2) | 20 (4) | 26 (5) |
| Obese (BMI≥30) | 3,625 (22) | 3,478 (22) | 72 (15) | 75 (15) |
| High BP (≥140 SBP or 90 DBP) | 457 (3) | 430 (3) | 13 (3) | 14 (3) |
| Healthcare utilization, past 2 years | ||||
| ≥1 outpatient visit | 16,453 (99) | 15,449 (99) | 490 (98) | 260 (99) |
| ≥1 emergency department visit | 4,606 (28) | 4,095 (26) | 230 (46) | 281 (54) |
| ≥1 home health visit | 1,617 (10) | 1,380 (9) | 89 (18) | 148 (29) |
| ≥1 physical therapy visit | 6,293 (38) | 5,902 (38) | 181 (36) | 210 (41) |
| ≥1 speech, language and learning visit | 478 (3) | 343 (2) | 24 (5) | 111 (21) |
| Medication-related predictors, past 2 years | ||||
| Fill for non-TCA antidepressant | 2,426 (15) | 2,102 (12) | 135 (26) | 189 (35) |
| Fill for sedative/hypnotic | 4,472 (27) | 4,144 (21) | 150 (22) | 178 (28) |
| Additional predictors considered for full model | ||||
| ≥1 clinic “no shows” | 5,143 (31) | 4,666 (30) | 210 (42) | 267 (52) |
| ≥1 ACS hospitalizations | 166 (1) | 138 (1) | 7 (1) | 21 (4) |
| ≥1 ACS emergency visits | 1,109 (7) | 999 (6) | 50 (10) | 60 (12) |
| Medication non-adherencea | 2,928 (18) | 2,662 (17) | 131 (26) | 135 (26) |
Values are number (%) or mean (standard deviation). For <1% of visits, no information on blood pressure or BMI was available in the preceding three years. In these cases, we imputed values for the missing data using fully conditional specification methods available in SAS, version 9.4 (SAS Institute, Inc., Cary, NC). ACS, ambulatory care sensitive; BMI, body mass index; DBP, diastolic blood pressure; TCA, tricyclic antidepressant; SBP, systolic blood pressure; SD, standard deviation. Table includes predictors retained in final models. See Supplementary Table S1 for prevalence of all predictors considered.
defined as <80 percent of days covered (PDC) for oral anti-diabetics, anti-hypertensives or statins