Table 1.
Baseline characteristics of patients in the study.
| Clinical characteristics | Total |
Group |
P | |
|---|---|---|---|---|
| HAI group(n = 76) | Non-HAI group(n = 1135) | |||
| Age, mean (SD), years | 63.46 (13.74) | 68.87 (11.19) | 63.10 (13.82) | <0.001 |
| Age group, no. (%), years | 0.02 | |||
| <65 | 611 (50.45) | 585 (51.54) | 26 (34.21) | |
| 65–74 | 318 (26.26) | 295 (25.99) | 23 (30.26) | |
| 75–84 | 226 (18.66) | 206 (18.15) | 20 (26.32) | |
| ≥85 | 56 (4.62) | 49 (4.32) | 7 (9.21) | |
| Sex, no. (%) | 0.85 | |||
| Male | 801 (66.14) | 51 (67.11) | 750 (66.08) | |
| Female | 410 (33.86) | 25 (32.89) | 51 (67.11) | |
| TOAST subtype | 0.01 | |||
| LAA, no. (%) | 621 (51.36) | 42 (55.26) | 579 (51.1) | |
| CE, no. (%) | 116 (9.59) | 15 (19.74) | 101 (8.91) | |
| SAO, no. (%) | 332 (27.46) | 13 (17.11) | 319 (28.16) | |
| SOE, no. (%) | 56 (4.63) | 2 (2.63) | 54 (4.77) | |
| SUE, no. (%) | 84 (6.95) | 4 (5.26) | 80 (7.06) | |
| Medical history (state = “yes”), no. (%) | ||||
| Hypertension | 899 (79.49) | 57 (80.28) | 842 (79.43) | 0.86 |
| Hyperlipidemia | 313 (29.39) | 14 (21.88) | 299 (29.87) | <0.001 |
| Diabetes mellitus | 446 (41.49) | 32 (50.00) | 414 (40.95) | 0.35 |
| Atrial fibrillation | 125 (12.03) | 18 (28.13) | 107 (10.97) | <0.001 |
| Myocardial infarction | 135 (12.92) | 13 (20.31) | 122 (12.44) | 0.07 |
| Congestive heart failure | 35 (3.39) | 10 (16.13) | 25 (2.58) | <0.001 |
| Valvular heart disease | 67 (6.44) | 7 (10.94) | 60 (6.15) | 0.13 |
| Admission NIHSS score, median (IQR) | 4 (2–8) | 5 (3–13) | 4 (2–8) | <0.001 |
| Dysphagia (state = “yes”), no. (%) | 209 (18.05) | 28 (38.89) | 181 (16.67) | <0.001 |
| Smoking (state = “yes”), no. (%) | 469 (39.71) | 34 (48.57) | 435 (39.15) | 0.12 |
| Length of stay, mean (SD), days | 11.93 (6.58) | 19.85 (14.2267) | 11.36 (5.20) | <0.0001 |
| Hospitalization expenses, median (IQR), CNY | 12500 (17254–24121) | 31163 (20203–48964) | 16858 (12247–22807) | <0.0001 |
HAI, hospital acquired infection; TOAST, Trial of Org 10172 in Acute Stroke Treatment; LAA, large-artery atherosclerosis; CE, cardio-embolism; SAO, small-artery occlusion; SOE, stroke of other determined etiology; SUE, stroke of undetermined etiology; IQR, interquartile range; SD, standard deviation; CNY, Chinese Yuan.