Table 1.
Baseline of characteristics of patients in SAP group and non-SAP group.
| Variables | All patients | Non-SAP (n = 832) | SAP (n = 100) | P value |
|---|---|---|---|---|
| FAR | 0.089 (0.075–0.109) | 0.087 (0.074–0.105) | 0.113 (0.090–0.167) | <0.001 |
| Age (years) | 67.0 (59.0–74.0) | 66.0 (59.0–73.0) | 72.0 (62.5–80.0) | <0.001 |
| Male | 596 (63%) | 533 (64.1%) | 63 (63.0%) | 0.834 |
| Current smoking | 376 (40.3%) | 338 (40.6%) | 38 (38.0%) | 0.613 |
| Drinking | 350 (37.6%) | 314 (37.7%) | 36 (36.0%) | 0.734 |
| Baseline SBP | 151.5 (136.0–168.0) | 151.0 (136.0–168.0) | 152.0 (138.0–168.0) | 0.475 |
| Baseline DBP | 82.0 (74.0–92.0) | 82.0 (74.0–92.0) | 83.0 (77.0–94.5) | 0.267 |
| NHISS | 3.0 (1.0–6.0) | 2.0 (1.0–5.0) | 9.5 (3.5–13.0) | <0.001 |
| Previous stroke | 133 (14.3%) | 112 (13.5%) | 21 (21.0%) | 0.042 |
| Hypertension | 713 (76.5%) | 635 (76.3%) | 78 (78.0%) | 0.708 |
| Diabetes mellitus | 369 (39.6%) | 338 (40.6%) | 31 (31.0%) | 0.063 |
| CAD | 20 (2.2%) | 19 (2.3%) | 1 (1.0%) | 0.401 |
| AF | 111 (11.9%) | 83 (10.0%) | 28 (28.0%) | <0.001 |
| Dysphagia | 129 (13.8%) | 74 (8.9%) | 55 (55.0%) | <0.001 |
| Antiplatelet drugs | 883 (93.7%) | 798 (95.9%) | 85 (85.0%) | <0.001 |
| Anticoagulant drugs | 129 (13.8%) | 108 (13.0%) | 21 (21.0%) | 0.028 |
| Stains | 920 (98.7%) | 823 (98.9%) | 97 (97.0%) | 0.108 |
| Thrombolysis | 37 (4.0%) | 32 (3.9%) | 5 (5.0%) | 0.580 |
| Stroke etiology | <0.001 | |||
| Atherosclerosis | 725 (77.9%) | 658 (79.2%) | 67 (67.0%) | |
| Cardioembolism | 94 (1.0%) | 3 (0.4%) | 0 (0.0%) | |
| Small vessel occlusion | 122 (13.1%) | 94 (11.3%) | 28 (28.0%) | |
| Other causes | 18 (2.0%) | 17 (2.0%) | 1 (1.0%) | |
| Length of hospital stay | 9.97 (8.0–12.0) | 9.0 (8.0–11.0) | 11.0 (9.0–14.0) | <0.001 |
| Discharge mRS score | 2.0 (1.0–3.0) | 2.0 (1.0–2.0) | 4.0 (2.0–4.0) | <0.001 |
SAP, stroke-associated pneumonia; SBP, systolic blood pressure; DBP, diastolic blood pressure; NIHSS, National Institute of Health Stroke Scale; CAD, coronary artery disease; AF, atrial fibrillation; mRS, modified Rankin Scale.