Table 1 Results of univariate analysis [n (%)]
From: Risk factors of atrial fibrillation occurring after radical surgery of esophageal carcinoma
Factors | No AF(n = 287) | AF(n = 48) | χ2 | P values | OR | 95% CI |
|---|---|---|---|---|---|---|
Age | ||||||
< 70 | 198 (93%) | 15 (7%) | 25.29 | 0.000 | 4.89 | (2.53,9.47) |
≥ 70 | 89 (73%) | 33 (27%) | ||||
Gender | ||||||
Male | 201 (76.7%) | 61 (23.3%) | 6.104 | 0.013 | 2.26 | (1.17,4.37) |
Female | 65 (89.0%) | 8 (11.0%) | ||||
History of smoking | ||||||
No | 114 (85.7%) | 19 (14.3%) | 0.000 | 0.986 | 1.006 | (0.538,1.880) |
Yes | 173 (85.6%) | 29 (14.4%) | ||||
Hypertension | ||||||
No | 198 (87.6%) | 28 (12.4%) | 2.127 | 0.145 | 1.59 | (0.85,2.97) |
Yes | 89 (81.7%) | 20 (18.3%) | ||||
History of peripheral vascular disease | ||||||
No | 254 (87.3%) | 37 (12.7%) | 4.699 | 0.030 | 2.29 | (1.06,4.92) |
Yes | 33 (75%) | 11 (25.0%) | ||||
History of cardiac stents or angina pectoris | ||||||
No | 273 (93.2%) | 20 (6.8%) | 107.16 | 0.000 | 27.30 | (12.44,59.91) |
Yes | 14 (33.3%) | 28 (66.7%) | ||||
Preoperative pulmonary infection | ||||||
No | 252 (85.7%) | 42 (14.3%) | 0.004 | 0.952 | 1.03 | (0.41,2.59) |
Yes | 35 (85.4%) | 6 (14.6%) | ||||
Preoperative BNP | ||||||
< 100 | 279 (91.2%) | 27 (8.8%) | 87.261 | 0.000 | 27.13 | (10.97,67.06) |
≥ 100 | 8 (27.6%) | 21 (72.4%) | ||||
Preoperative left-ventricular diastolic dysfunction | ||||||
No | 203 (89.0%) | 25 (11.0%) | 6.579 | 0.012 | 2.22 | (1.19,4.14) |
Yes | 84 (78.5%) | 23 (21.5%) | ||||
Operative methods | ||||||
Combined | 102 (91.1%) | 10 (8.9%) | 3.996 | 0.046 | 2.09 | (1.002,4.380) |
Open | 185 (83.0%) | 38 (17.0%) | ||||
Lesion location | ||||||
Lower | 130 (85%) | 23 (15.0%) | 0.114 | 0.736 | 0.900 | (0.488,1.660) |
Middle or upper | 157 (86.3%) | 25 (13.7%) | ||||
Blood transfusion | ||||||
No | 278 (90.6%) | 29 (9.4%) | 71.31 | 0.000 | 20.24 | (8.39,48.82) |
Yes | 9 (32.1%) | 19 (67.9%) | ||||
Adhesion to pericardium | ||||||
No | 152 (89.9%) | 17 (10.1%) | 5.064 | 0.024 | 2.05 | (1.08,3.87) |
Yes | 135 (81.3%) | 31 (18.7%) | ||||