Table 2.
Baseline characteristics
| Cryo or RF energy | p | Cryo energy | p | RF energy | p | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Adenosine | No adenosine | Total | Adenosine | No adenosine | RF | Adenosine | No adenosine | ||||
| Gender (female) | 1096/3439 (31.9%) | 92/360 (25.6%) | 1004/3079 (32.6%) | 0.007 (S) | 185/543 (34.1%) | 17/74 (23.0%) | 168/469 (35.8%) | 0.030(S) | 911/2896 (31.5%) | 75/286 (26.2%) | 836/2610 (32.0%) | 0.045(S) |
| Age ≥ 65 years (mean, SD) | 910/3438 (26.5%) | 86/360 (23.9%) | 824/3078 (26.8%) | 0.241 (NS) | 154/543 (28.4%) | 22/74 (29.7%) | 132/469 (28.1%) | 0.779(NS) | 57.8 (10.3) | 56.1 (10.6) | 58.0 (10.2) | 0.004 (S) |
| Body Mass Index (kg/m2) (mean, SD) | 28.4 (4.5) | 27.9 (4.3) | 28.5 (4.5) | 0.101 (NS) | 28.1 (3.9) | 27.6 (3.8) | 28.1 (3.9) | 0.535 (NS) | 28.5 (4.6) | 28.0 (4.4) | 28.5 (4.6) | 0.143 (NS) |
| Left atrial diameter (mm) (mean, SD) | 42.6 (6.6) | 42.1 (5.4) | 42.7 (6.7) | 0.310 (NS) | 41.0 (5.9) | 41.1 (4.5) | 41.0 (6.0) | 0.633 (NS) | 59.9 (8.4) | 59.9 (7.7) | 59.9 (8.5) | 0.080 (NS) |
| Type of AF | ||||||||||||
| Paroxysmal | 2318/3439 (67.4%) | 258/360 (71.7%) | 2060/3079 (66.9%) | 0.068(NS) | 454/543 (83.6%) | 66/74 (89.2%) | 388/469 (82.7%) | 0.163(NS) | 1864/2896 (64.4%) | 192/286 (67.1%) | 1672/2610 (64.1%) | 0.303(NS) |
| Persistent | 946/3439 (27.5%) | 95/360 (26.4%) | 851/3079 (27.6%) | 0.615(NS) | 79/543 (14.5%) | 8/74 (10.8%) | 71/469 (15.1%) | 0.326(NS) | 867/2896 (29.9%) | 87/286 (30.4%) | 780/2610 (29.9%) | 0.851(NS) |
| Longstanding persistent | 175/3439 (5.1%) | 7/360 (1.9%) |
168/3079 (5.5%) |
0.004(S) | 10/543 (1.8%) |
0/74 (0.0%) |
10/469 (2.1%) | 0.372(NS) | 165/2896 (5.7%) | 7/286 (2.4%) | 158/2610 (6.1%) | 0.013(S) |
AF atrial fibrillation, NS non significant, S significant, SD standard deviation