Table 2.
Baseline characteristics of patients in the secondary analysis.
| Characteristics | Total (n = 2218) | Before tuning (n = 1359) | After tuning (n = 859) | P-value |
|---|---|---|---|---|
| Age | 49.2 ± 11.8 | 48.5 ± 11.8 | 50.3 ± 11.6 | < 0.001* |
| Sex (female) | 1015 (45.8%) | 592 (43.6%) | 423 (49.2%) | 0.009* |
| BMI | 22.9 ± 3.48 | 22.9 ± 3.44 | 22.9 ± 3.54 | 0.863 |
| Medical history | ||||
| Hypertension | 386 (17.4%) | 224 (16.5%) | 162 (18.9%) | 0.355 |
| Diabetes mellitus | 97 (4.4%) | 56 (4.1%) | 41 (4.8%) | 0.009* |
| Dyslipidemia | 370 (16.7%) | 215 (15.8%) | 155 (18.0%) | 0.394 |
| Arrhythmia | 133 (6.0%) | 76 (5.6%) | 57 (6.6%) | 0.572 |
| Stroke | 6 (0.3%) | 3 (0.2%) | 3 (0.3%) | 0.441 |
| Dementia | 0 (0%) | 0 (0%) | 0 (0%) | 1.000 |
| Surgery | 753 (33.9%) | 457 (33.6%) | 296 (34.5%) | 0.041* |
| Cerebral aneurysm | 0.681 | |||
| None | 1919 (86.5%) | 1182 (87.0%) | 737 (85.8%) | |
| Suspicion | 247 (11.1%) | 145 (10.6%) | 102 (11.9%) | |
| Definite | 52 (2.3%) | 32 (2.4%) | 20 (2.3%) | |
Data are represented as the mean ± standard deviation or n (%).
BMI body mass index.
*P < 0.05.