Baseline characteristics of patients with ischaemic stroke and haemorrhage stroke who did or did not have pneumonia
| Documented | No documented (n=113) | P values* | |||
| Negative (n=118) | Positive (n=45) | P values | |||
| Age, years old, mean+SD | 61.81±13.85 | 67.20±11.31 | 0.021 | 60.96±13.97 | 0.640 |
| Gender, males, % | 90 (76.27) | 34 (75.56) | 73 (64.60) | 0.052 | |
| Onset to admission, days, mean+SD | 3.22±3.23 | 2.58±2.73 | 0.238 | 3.38±3.15 | 0.703 |
| LOS, days, mean+SD | 10.96±7.25 | 12.82±11.21 | 0.213 | 9.50±4.54 | 0.071 |
| LOS in the ICU, days | 1.47±3.98 | 2.32±3.21 | 0.201 | 0.80±1.81 | 0.079 |
| Tube feeding | 10 (8.47) | 9 (20.0) | 0.040 | 6 (5.31) | 0.344 |
| Stroke subtype | 0.694 | 0.616 | |||
| Intracranial haemorrhage (n, %) | 18 (15.25) | 8 (17.78) | 20 (17.70) | ||
| Ischaemic stroke (n, %) | 100 (84.75) | 37 (82.22) | 93 (82.30) | ||
| Baseline characteristics | |||||
| Systolic blood pressure, mm Hg, median+IQR | 152(138-166) | 157(139-178) | 0.218 | 147(127-168) | 0.092 |
| Diastolic blood pressure, mm Hg, median+IQR | 86(78-93) | 85(76-91) | 0.695 | 83(73-92) | 0.098 |
| OCSP | 0.229 | ||||
| Lacuna (n, %) | 15 (12.71) | 3 (6.67) | 15 (13.27) | ||
| Partial anterior circulation (n, %) | 63 (53.39) | 28 (62.22) | 70 (61.95) | ||
| Posterior circulation (n, %) | 32 (27.12) | 8 (17.78) | 25 (22.12) | ||
| Total anterior circulation (n, %) | 8 (6.78) | 6 (13.33) | 3 (2.65) | ||
| Risk factors | |||||
| Atrial fibrillation (n, %) | 5 (4.24) | 4 (8.89) | 0.245 | 6 (5.31) | 0.702 |
| Diabetes mellitus (n, %) | 27 (22.88) | 16 (35.56) | 0.101 | 35 (30.97) | 0.165 |
| Hypertension (n, %) | 88 (74.58) | 33 (73.33) | 0.871 | 83 (73.45) | 0.845 |
| Smoking (n, %) | 69 (58.47) | 27 (60.0) | 0.860 | 43 (83.05) | 0.002 |
| Outcome of WST | 0.001 | 0.088 | |||
| Negative | 84 (71.18) | 19 (42.22) | 94 (83.19) | ||
| Positive | 30 (25.42) | 25 (55.56) | 16 (14.16) | ||
| Unclear | 4 (3.39) | 1 (2.22) | 3 (2.65) | ||
| Outcome of V-VST | <0.001 | 0.039 | |||
| Safety and efficacy | 94 (79.66) | 24 (53.33) | 99 (87.61) | ||
| Only safety impaired | 12 (10.17) | 4 (8.89) | 4 (3.54) | ||
| Only efficacy impaired | / | 7 (15.56) | 3 (2.65) | ||
| Safety and efficacy impaired | 12 (10.17) | 10 (22.22) | 7 (6.19) | ||
↵*The difference between the patients with pneumonia and those without documentation
ICU, intensive care unit; LOS, length of stay; OCSP, Oxfordshire Community Stroke Project; V-VST, volume–viscosity swallow test; WST, water swallow test.