Table 1. Baseline characteristics of all patients with IQCODE stratified by whether they were untestable or testable using with a direct-to-patient cognitive test.
| All with IQCODE N=1068 |
Untestable with cognitive test* N=103 |
Testable with cognitive test* N=965 |
p | |
|---|---|---|---|---|
| Age | 72.9/12.2 | 77.2/11.4 | 72.4/12.2 | <0.0001 |
| Sex | 558 (52.2) | 52 (50.5) | 506 (52.4) | 0.71 |
| Education<12 yrs | 536 (50.2) | 22 (21.4) | 514 (53.3) | <0.0001 |
| TIA | 499 (46.7) | 30 (29.1) | 469 (48.6) | <0.0001 |
| Minor stroke | 364 (34.1) | 21 (20.4) | 343 (35.5) | |
| Major stroke | 205 (19.2) | 52 (50.5) | 153 (15.9) | |
| PICH | 28 (2.6) | 7 (6.8) | 21 (2.2) | <0.0001 |
| In-patient | 349 (32.7) | 75 (72.8) | 274 (28.4) | <0.0001 |
| Previous stroke | 74 (6.9) | 11 (10.7) | 63 (6.5) | 0.10 |
| Pre-event dementia | 68 (6.4) | 12 (11.7) | 56 (5.8) | 0.02 |
| IQCODE mean/SD | 3.23/0.55 | 3.27/0.77 | 3.23/0.52 | 0.48 |
| IQCODE >3.48 | 219 (20.5) | 29 (28.2) | 190 (19.7) | 0.04 |
| IQCODE >3.6 | 168 (15.7) | 22 (21.4) | 146 (15.1) | 0.10 |
Numbers are n (%) unless otherwise specified.
*
MMSE, MoCA or AMTS at baseline. IQCODE: Informant Questionnaire on Cognitive Decline in the Elderly. PICH: primary intracerebral haemorrhage. TIA: transient ischemic attack.