12 February 2022 : Clinical Research
Autonomic Tone Variations Prior to Onset of Paroxysmal Atrial Fibrillation
Xia Zhong1ABCDEF*, Huachen Jiao2ACDFG, Jinchao Gao3ABCD, Jing Teng1DEFDOI: 10.12659/MSM.934028
Med Sci Monit 2022; 28:e934028
Table 2 Baseline characteristics of study population.
| Variable | PAF group (n=60) | Control group (n=40) | p |
|---|---|---|---|
| Age, years | 0.82 | ||
| ≤60 | 10 (16.7%) | 6 (15.0%) | |
| >60 | 50 (83.3%) | 34 (85.0%) | |
| Sex, M/F | 34/26 | 24/16 | 0.74 |
| Sinus rate, bpm | 80.02±5.2 | 78.3±6.2 | 0.14 |
| Smokers | 19 (31.7%) | 12 (3.0%) | 0.86 |
| Drinkers | 10 (16.7%) | 7 (17.5%) | 0.96 |
| Structural heart disease | |||
| Coronary artery disease | 40 (66.7%) | 26 (65.0%) | 0.86 |
| Valvular heart disease | 3 (5.0%) | 1 (2.5.%) | 0.53 |
| Hypertensive heart disease | 41 (68.3%) | 27 (67.5%) | 0.93 |
| Heart failure | 4 (6.7%) | 3 (7.5%) | 0.87 |
| Diabetes | 16 (26.7%) | 10 (25%) | 0.85 |
| Family history | |||
| Hypertension | 10 (16.7%) | 6 (15.0%) | 0.82 |
| Coronary heart disease | 4 (6.7%) | 3 (7.5%) | 0.87 |
| Diabetes | 4 (6.7%) | 4 (10.0%) | 0.55 |
| Initial diagnosis | 30 (50.0%) | 19 (47.5%) | 0.81 |
| Diameter of the left atrium (mm) | 40.53±2.20 | 39.50±2.49 | 0.03* |
| Values are expressed as mean±SD or n (%). M – male; F – female; PAF – paroxysmal atrial fibrillation. * Significant. | |||