Table 1.
Patient demographics and characteristics and hospital characteristics in the primary analysis including repeat ablation patients
| Patients, No. (%) | |
|---|---|
| Demographic/characteristic | (N = 1568) |
| Age | |
| Mean (SD), years | 69 (10) |
| Age group, n (%), years | |
| 19–49 | 49 (3.13) |
| 50–59 | 182 (11.61) |
| 60–69 | 472 (30.10) |
| ≥70 | 865 (55.17) |
| Male | 957 (61) |
| Region | |
| Midwest | 430 (27.42) |
| Northeast | 205 (13.07) |
| South | 716 (45.66) |
| West | 214 (13.65) |
| Unknown | 3 (0.19) |
| Insurance type | |
| EPO/HMO | 224 (14.29) |
| Indemnity | 22 (1.40) |
| POS/PPO | 376 (23.98) |
| Other | 946 (60.33) |
| Ablation setting | |
| Inpatient | 525 (33.48) |
| Outpatient | 1043 (66.52) |
| Hospital bed size | |
| Large (≥250) | 945 (60.27) |
| Medium (101–249) | 210 (13.39) |
| Small (<100) | 27 (1.72) |
| Unknown | 386 (24.62) |
| Admission type | |
| Elective | 1198 (76.40) |
| Emergency | 159 (10.14) |
| Urgent | 102 (6.51) |
| Unknown | 109 (6.95) |
| ICD/CRT‐D use, n (%) | 465 (29.66) |
| Admission year, n (%) | |
| 2012 | 97 (6.19) |
| 2013 | 110 (7.02) |
| 2014 | 106 (6.76) |
| 2015 | 192 (12.24) |
| 2016 | 267 (17.03) |
| 2017 | 427 (27.23) |
| 2018 | 369 (23.53) |
| History of condition | |
| Hypertension | 1460 (93.11) |
| Valvular disease | 1065 (67.92) |
| Cardiomyopathy | 876 (55.87) |
| Other arrhythmias | 905 (57.72) |
| Chronic pulmonary disease | 673 (42.92) |
| Sleep apnea | 657 (41.90) |
| Obesity | 653 (41.65) |
| Diabetes | 599 (38.20) |
| Renal disease | 486 (30.99) |
| Myocardial infarction | 376 (23.98) |
| CCI score | |
| 1–2 | 514 (32.78) |
| ≥3 | 1054 (67.22) |
| CHA2DS2‐VASc score | |
| 1–2 | 173 (11.03) |
| ≥3 | 1395 (88.97) |
Abbreviations: AF, atrial fibrillation; CCI, Charlson Comorbidity Index; CRT‐D, cardiac resynchronization therapy‐ defibrillator; EPO, exclusive provider organization; HMO, health maintenance organization; ICD, implantable cardioverter–defibrillator; POS, point of service; PPO, preferred provider organization; SD, standard deviation.