Table 1.
Demographic and performance characteristics by clinic and combined
| Diagnostic outcome | Geriatric Ambulatory Practice (GAP) |
Jacobi Adult Medicine (JAM) |
1 versus 2 |
Combined cohorts |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
n = 324 |
GAP |
n = 239 |
JAM |
n = 563 |
|||||||||
| NMI | MIND | DEM | P value | NMI | MIND | DEM | P value | P value | NMI | MIND | DEM | P value | |
| N (%) | 220 (68) | 45 (14) | 59 (18) | n/a | 158 (66) | 23 (10) | 58 (24) | n/a | .102 | 378 (67) | 68 (12) | 117 (21) | n/a |
| Age at screening, mean (SD) | 77.7 (6.7) | 80.9 (7.2) | 81.2 (7.2) | .000 | 72.4 (5.3) | 72.9 (6.0) | 75.7 (7.5) | .002 | .000 | 75.5 (6.7) | 78.1 (7.8) | 78.5 (7.9) | .000 |
| Female, n (%) | 184 (84) | 35 (78) | 53 (90) | .246 | 115 (73) | 12 (52) | 44 (76) | .087 | .000 | 299 (79) | 47 (69) | 97 (83) | .082 |
| Self-reported ethnicity, n (%) | .035 | .909 | .000 | .049 | |||||||||
| Hispanic | 3 (1) | 3 (7) | 2 (3) | 93 (59) | 14 (61) | 38 (66) | 96 (25) | 17 (25) | 40 (34) | ||||
| Non-Hispanic black | 107 (49) | 14 (31) | 33 (56) | 54 (34) | 8 (35) | 17 (29) | 161 (43) | 22 (32) | 50 (43) | ||||
| Non-Hispanic white | 110 (50) | 28 (62) | 24 (41) | 11 (7) | 1 (4) | 3 (5) | 121 (32) | 29 (43) | 27 (23) | ||||
| Education (years), mean (SD) | 13.1 (3.4) | 11.1 (3.0) | 10.6 (4.2) | .000 | 9.1 (3.7) | 9.7 (3.3) | 9.1 (4.0) | .783 | .000 | 11.4 (4.0) | 10.6 (3.1) | 9.9 (4.2) | .001 |
| Educational level, n (%) | .000 | .633 | .000 | .066 | |||||||||
| <8 years | 10 (5) | 6 (13) | 12 (20) | 50 (32) | 5 (22) | 19 (33) | 60 (16) | 11 (16) | 31 (27) | ||||
| 8–11 years | 43 (20) | 11 (24) | 17 (29) | 50 (31) | 9 (39) | 14 (24) | 93 (25) | 20 (29) | 31 (27) | ||||
| ≥12 years | 167 (76) | 28 (62) | 30 (51) | 58 (37) | 9 (39) | 25 (43) | 225 (60) | 37 (54) | 55 (47) | ||||
| IQCODE | 3.1 (0.2) | 3.4 (0.3) | 3.8 (0.5) | .000 | 3.1 (0.2) | 3.2 (0.2) | 3.9 (0.5) | .000 | .552 | 3.1 (0.2) | 3.3 (0.3) | 3.8 (0.5) | .000 |
| Free recall, mean (SD) | 30.4 (6.5) | 23.3 (7.2) | 16.3 (9.3) | .000 | 31.4 (6.2) | 24.2 (7.4) | 19.9 (8.0) | .000 | .008 | 30.8 (6.4) | 23.6 (7.3) | 18.1 (8.8) | .000 |
| Total recall, mean (SD) | 47.6 (1.4) | 45.2 (4.7) | 37.4 (12.2) | .000 | 47.4 (1.5) | 46.1 (3.1) | 42.6 (7.4) | .000 | .015 | 47.5 (1.4) | 45.5 (4.2) | 40.0 (10.4) | .000 |
Abbreviations: NMI, no memory impairment; MIND, memory impairment but no dementia; DEM, dementia; SD, standard deviation; IQCODE, Informant Questionnaire on Cognitive Decline in the Elderly.