Table 1.
The baseline data of each group
| Group | Control group (n=300) | AF group
|
P-value | ||
|---|---|---|---|---|---|
| Short-standing AF group (n=126) | Long-standing AF group (n=159) | P-value | |||
| Female, n | 198 (66.0%) | 82 (65.1%) | 93 (58.5%) | 0.256 | 0.265 |
| Smoke, n | 159 (53.0%) | 66 (52.4%) | 81 (50.9%) | 0.809 | 0.916 |
| Alcohol, n | 89 (29.7%) | 43 (34.1%) | 54 (34.0%) | 0.977 | 0.525 |
| Hypertension, n | 221 (73.7%) | 99 (78.6%) | 121 (76.1%) | 0.622 | 0.546 |
| Dyslipidemia, n | 112 (37.3%) | 55 (43.7%) | 62 (39.0%) | 0.427 | 0.475 |
| Diabetes mellitus, n | 90 (30.0%) | 32 (25.4%) | 54 (34.0%) | 0.118 | 0.293 |
| Cerebral infarction, n | 82 (27.3%) | 37 (29.4%) | 54 (34%) | 0.408 | 0.334 |
| Hematencephalon, n | 7 (1.2%) | 5 (0.9%) | 4 (0.7%) | 0.486 | 0.628 |
| Family history of AF, n | 11 (3.7%) | 7 (5.6%) | 5 (3.1%) | 0.314 | 0.550 |
| Arteriosclerosis, n | 190 (63.3%) | 85 (67.5%) | 116 (73.0%) | 0.312 | 0.113 |
| Fundus abnormal, n | 268 (89.3%) | 112 (88.9%) | 135 (84.9%) | 0.462 | 0.205 |
| Mean age ± SD (years) | 60.2±10.65 | 62.1±11.78 | 65.1±9.80 | 0.022 | <0.001 |
| Mean SBP ± SD (mmHg) | 135±22.3 | 132±23.1 | 136±22.3 | 0.235 | 0.478 |
| Mean heart rate/minute | 74±12.3 | 76±16.0 | 79±14.5 | 0.019 | <0.001 |
| Mean WBC ± SD (109/L) | 7.3±2.30 | 7.4±2.50 | 7.4±2.53 | 0.851 | 0.919 |
| Mean NEU ± SD (109/L) | 4.9±1.44 | 5.3±1.60 | 6.3±2.19 | <0.001 | <0.001 |
| Mean LVEF ± SD (%) | 61.4±10.13 | 61.9±10.80 | 60.8±10.55 | 0.363 | 0.654 |
| Mean LAD ± SD (mm) | 32.9±4.45 | 34.8±4.79 | 36.7±5.86 | 0.001 | <0.001 |
| Mean BMI ± SD (kg/m2) | 25.5±3.88 | 25.2±3.41 | 25.4±4.16 | 0.673 | 0.681 |
| Median hs-CRP (mg/L) (interquartile range) | 8.00 (5.34–12.00) | 8.00 (4.87–13.29) | 12.60 (7.60–24.00) | 0.002 | 0.003 |
| Median HCY (μmol/L) (interquartile range) | 9.90 (4.57–16.10) | 11.90 (9.76–17.20) | 12.60 (10.12–20.10) | 0.005 | <0.001 |
| Hp-IgG antibody | 131 (43.7%) | 60 (47.6%) | 79 (49.7%) | 0.238 | 0.437 |
| Hp δ value (‰)(interquartile range) | 6.25 (2.10–13.30) | 7.00 (2.10–14.50) | 19.00 (8.00–26.00) | <0.001 | <0.001 |
| Hp δ value ≥4‰ | 86 (28.7%) | 31 (24.6%) | 130 (81.8%) | <0.001 | <0.001 |
Abbreviations: AF, atrial fibrillation; SD, standard deviation; SBP, systolic blood pressure; WBC, white blood-cell count; NEU, neutrophil; LVEF, left ventricular ejection fraction; LAD, left atrium diameter; BMI, body mass index; hs-CRP, high sensitive C-reactive protein; HCY, homocysteine; Hp, Helicobacter pylori.