Table 1.
Patient, Surrogate, and Dyad Characteristics, by Patient’s MCI Status
| Variable | Patient MCI status | P | |
|---|---|---|---|
| No MCI (n=61) | MCI (n=66) | ||
| Patient characteristics | |||
| Age, years: median (IQR) | 71.0 (69.0, 76.0) | 74.0 (69.0, 78.0) | 0.66 |
| MoCA, points: median (IQR) | 27.0 (26.0, 28.0) | 23.0 (21.0, 25.0) | <0.001 |
| DSRS*, points: median (IQR) | 1.0 (0.0, 2.0) | 5.5 (1.0, 10.0) | <0.001 |
| Race, Black: no. (%) | 29 (47.5) | 28 (42.4) | 0.56 |
| Gender, female: no. (%) | 38 (62.3) | 40 (60.6) | 0.85 |
| Education: no. (%) | 0.09 | ||
| No college | 3 (4.9) | 11 (16.7) | |
| Some college | 23 (37.7) | 17 (25.8) | |
| 4-Year degree | 9 (14.8) | 14 (21.2) | |
| Graduate degree | 26 (42.6) | 24 (36.4) | |
| Marital status: no. (%) | 0.27 | ||
| Single | 28 (45.9) | 24 (36.4) | |
| Married/partner | 33 (54.1) | 42 (63.6) | |
| Has children: no. (%) | 56 (91.8) | 62 (93.9) | 0.74 |
| Lives with child: no. (%) | 9 (14.8) | 5 (7.7) | 0.26 |
| Child within 30 miles: no. (%) | 34 (55.7) | 43 (68.3) | 0.15 |
| Self-rated health: no. (%) | 0.43 | ||
| Fair | 3 (4.9) | 9 (13.6) | |
| Good | 31 (50.8) | 30 (45.5) | |
| Very good | 21 (34.4) | 21 (31.8) | |
| Excellent | 6 (9.8) | 6 (9.1) | |
| Depression: no. (%) | 0.010 | ||
| No indication | 49 (80.3) | 39 (59.1) | |
| Some indication | 12 (19.7) | 27 (40.9) | |
| Difficulty with ADLs: no. (%) | 14 (23.0) | 13 (19.7) | 0.65 |
| Disease history: no. (%) | |||
| Stroke | 4 (6.6) | 6 (9.1) | 0.75 |
| Lung disease | 9 (14.8) | 3 (4.5) | 0.07 |
| Heart disease | 15 (24.6) | 15 (22.7) | 0.80 |
| Cancer | 14 (23.0) | 18 (27.3) | 0.58 |
| Arthritis | 47 (77.0) | 43 (65.2) | 0.14 |
| Contact history: no. (%) | |||
| Dementia | 39 (63.9) | 49 (74.2) | 0.21 |
| Stroke | 41 (67.2) | 38 (57.6) | 0.26 |
| Heart attack | 42 (68.9) | 36 (54.5) | 0.10 |
| Surrogate characteristics | |||
| Age, years: median (IQR) | 69.0 (62.0, 72.0) | 70.0 (64.0, 77.0) | 0.61 |
| Race, Black: no. (%) | 30 (49.2) | 28 (42.4) | 0.45 |
| Gender, female: no. (%) | 42 (68.9) | 43 (65.2) | 0.66 |
| Education: no. (%) | 0.31 | ||
| No college | 4 (6.6) | 9 (13.6) | |
| Some college | 26 (42.6) | 19 (28.8) | |
| 4-Year degree | 10 (16.4) | 11 (16.7) | |
| Graduate degree | 21 (34.4) | 27 (40.9) | |
| Marital status: no. (%) | 0.06 | ||
| Single | 21 (34.4) | 13 (19.7) | |
| Married/partner | 40 (65.6) | 53 (80.3) | |
| Self-rated health: no. (%) | 0.88 | ||
| Fair | 4 (6.6) | 7 (10.6) | |
| Good | 20 (32.8) | 22 (33.3) | |
| Very good | 29 (47.5) | 29 (43.9) | |
| Excellent | 8 (13.1) | 8 (12.1) | |
| Depression: no. (%) | 0.58 | ||
| No indication | 47 (77.0) | 48 (72.7) | |
| Some indication | 14 (23.0) | 18 (27.3) | |
| Difficulty with ADLs: no. (%) | 12 (19.7) | 13 (19.7) | 0.99 |
| Disease history: no. (%) | |||
| Stroke | 1 (1.6) | 3 (4.5) | 0.62 |
| Lung disease | 6 (9.8) | 5 (7.6) | 0.76 |
| Heart disease | 10 (16.4) | 15 (22.7) | 0.37 |
| Cancer | 12 (19.7) | 18 (27.3) | 0.31 |
| Arthritis | 29 (47.5) | 37 (56.1) | 0.34 |
| Contact history: no. (%) | |||
| Dementia | 39 (63.9) | 43 (65.2) | 0.89 |
| Stroke | 37 (60.7) | 39 (59.1) | 0.86 |
| Heart attack | 45 (73.8) | 41 (62.1) | 0.16 |
| Dyad characteristics | |||
| Relationship length, years: median (IQR) | 43.0 (28.0, 53.0) | 51.5 (40.0, 60.0) | 0.04 |
| Site: no. (%) | 0.72 | ||
| U-M | 36 (59.0) | 41 (62.1) | |
| DU | 25 (41.0) | 25 (37.9) | |
| Relationship type: no. (%) | 0.19 | ||
| Spouse | 33 (54.1) | 40 (60.6) | |
| Child | 10 (16.4) | 8 (12.1) | |
| Friend | 14 (23.0) | 8 (12.1) | |
| Other | 4 (6.6) | 10 (15.2) | |
| Physical interaction: no. (%) | 0.66 | ||
| Daily | 38 (62.3) | 45 (68.2) | |
| Several times per week | 10 (16.4) | 11 (16.7) | |
| Once per week or less | 13 (21.3) | 10 (15.2) | |
| Verbal interaction: no. (%) | 0.39 | ||
| Daily | 42 (68.9) | 47 (71.2) | |
| Several times per week | 11 (18.0) | 15 (22.7) | |
| Once per week or less | 8 (13.1) | 4 (6.1) | |
P values were obtained using the following1: Mood’s median tests, for continuous variables2; χ2 tests, for categorical variables with expected cell counts >5; and3 Fisher’s exact tests, for categorical variables with expected cell counts ≤5. Abbreviations: MCI, mild cognitive impairment; NC, normal cognition; IQR, interquartile range; MoCA, Montreal Cognitive Assessment; DSRS, Dementia Severity Rating Scale; ADL, activity of daily living; U-M, University of Michigan; DU, Duke University
*Provided by the surrogate