| Variable | Stroke | Control | Total | P value |
|---|---|---|---|---|
| Total sample (%) | 36 (43.4) | 47 (56.6) | 83 (100) | |
| Sex (female, %) | 20 (55.6) | 24 (51.1) | 0.825 | |
| Age (yr) | 0.017 | |||
| <65 (%) | 6 (16.7) | 20 (42.6) | 26 (31.3) | |
| ≥65 (%) | 30 (83.3) | 27 (57.4) | 57 (68.7) | |
| Hospital day (≥15, %) | 18 (50.0) | 34 (72.3) | 52 (62.7) | 0.043 |
| ASA (≥3, %) | 14 (38.9) | 1 (2.1) | 15 (18.1) | 0.021 |
| Previous constipation (%) | 0 | 0 | 0 | |
| Smoking | 10 (27.8) | 10 (21.3) | 20 (24.1) | 0.604 |
| Alcohol | 10 (27.8) | 8 (17.2) | 18 (21.7) | 0.288 |
| Underlying disease (%) | ||||
| Hypertension | 27 (75.0) | 17 (36.2) | 44 (53.0) | 0.001 |
| Diabetes mellitus | 15 (41.7) | 5 (10.6) | 20 (24.1) | 0.002 |
| Atrial fibrillation | 11 (30.6) | 4 (8.5) | 15 (18.1) | 0.019 |
| Past medication (%) | ||||
| Nitrates | 1 (2.8) | 2 (4.3) | 3 (3.6) | 0.999 |
| ACE inhibitor | 1 (2.8) | 1 (2.1) | 2 (2.4) | 0.999 |
| Calcium channel blocker | 9 (25) | 11 (23.4) | 20 (24.1) | 0.999 |
| Anticonvulsants | 1 (2.8) | 0 | 1 (1.2) | 0.434 |
| Antidepressants | 4 (11.1) | 5 (10.6) | 9 (10.8) | 0.999 |
| Diuretics | 1 (2.8) | 6 (12.8) | 7 (8.4) | 0.132 |
| Antihistamine | 3 (8.3) | 0 | 3 (3.6) | 0.078 |
| Antacid | 2 (5.6) | 8 (17.2) | 10 (12) | 0.175 |
| Prokinetics or laxative | 0 | 8 (17.2) | 8 (9.6) | 0.009 |