Attributable Costs of Postoperative Atrial Fibrillation among Patients Undergoing Cardiac Surgery
Table 1
Preoperative characteristics of patients in the study.
Characteristics
All patients () n (%)
With POAF () n (%)
Without POAF () n (%)
value
Age (mean ± SD) (years)
56.07 ± 12.58
57.93 ± 12.00
55.24 ± 12.58
0.008
Male
402 (56.5)
135 (61.4)
267 (54.4)
0.080
Comorbid conditions
Cerebrovascular disease
2 (0.3)
1 (0.5)
1 (0.2)
0.560
Chronic kidney disease
23 (3.2)
11 (5.0)
12 (2.4)
0.075
Congestive heart failure
94 (13.2)
33 (15.0)
61 (12.4)
0.340
COPD
23 (3.2)
12 (5.5)
11 (2.2)
0.025
Diabetes mellitus
107 (15.1)
50 (22.7)
57 (11.6)
<0.001
Dyslipidemia
192 (27.0)
75 (34.1)
117 (23.8)
0.004
Hypertension
232 (32.6)
92 (41.8)
140 (28.5)
<0.001
Ischemic heart disease
108 (15.2)
47 (21.4)
61 (12.4)
0.002
Preoperative atrial fibrillation
94 (13.2)
20 (9.1)
74 (15.1)
0.030
Types of surgery
0.332
Isolated valve replacement
487 (68.5)
144 (65.5)
343 (69.9)
Isolated CABG
175 (24.6)
62 (28.2)
113 (23.0)
Valve replacement + CABG
49 (6.9)
14 (6.4)
35 (7.1)
Between patients with and without POAF using chi-square, except for age which was tested for the difference by independent t-test. COPD, chronic obstructive pulmonary disease; CABG, coronary artery bypass graft; POAF, postoperative atrial fibrillation.
