Table 2 Characteristics of study participants
From: Selecting optimal screening items for delirium: an application of item response theory
Mean | (SD) | Observed | |
|---|---|---|---|
Characteristic | or n | or (%) | range |
Total [n (%)] | 4598 | (100) | |
Age [M (SD)] | 81.5 | (7.7) | [64.0–104.0] |
Sex [n (%)] | |||
Male | 1425 | (31.0) | |
Female | 3172 | (69.0) | |
Race/Ethnicity [n (%)] | |||
White | 3918 | (85.2) | |
Black/African American | 269 | (5.9) | |
Other races | 29 | (0.6) | |
Missing | 382 | (8.3) | |
Delirium Present [n (%)] | 611 | (13.3) | |
Mini‐Mental State Examination Score [M (SD)] (scored 0–30, 30 best) | 21.4 | (6.3) | [0.0–30.0] |
Mini‐Mental State Examination Score group [n (%)] | |||
Severe cognitive impairment (0–17) | 1018 | (22.1) | |
Cognitive impairment (18–23) | 1560 | (33.9) | |
No cognitive impairment (24–30) | 2019 | (43.9) |