Table 2

Long-term follow-up data

AF recurrence (n=37)No AF recurrence (n=59)P value
 Age (years)63 (52–68)60 (52–65)0.392
 BMI (kg/m2)26 (24–30)27 (24–30)0.867
 Male (n)33 (80%)46 (84%)0.789
 Hypertension21 (51%)30 (55%)0.837
 LVEF (%)59 (51–64)59 (55–63)0.938
 PLAX (mm)43 (39–45)39 (37–45)0.018
 Paroxysmal24 (58%)32 (58%)1.000
Modality0.492
 RF-group (n=40)18 (45)22 (55)
 IMEA-group (n=17)5 (29)12 (71)
 CB-group (n=39)14 (36)25 (64)
Interventional
 CK before (U/L)
 CK release (U/L)
 CK-MB before (U/L)
 CK-MB release (U/L)
 hs-cTnT before (ng/L)
112 (81–172)
14.5 (–47.5–84.5)
2.7 (1.6–4.4)
3.2 (1.6–3)
7 (5–11)
110 (86–144)
25 (–7 to 96)
2.1 (1.6–2.9)
4.7 (1.1–15.5)
7 (4–9)
0.834
0.347
0.139
0.779
0.659
 hs-cTnT release (ng/L)880±301819±3310.282
 Length of lesion (cm)23.3 (20.1–25.8)23.1 (20.2–25.7)0.842
 Duration (s)1964 1570–27791794 1200–30590.339
 DeltaPerLength (ng/L/m)3.87±1.483.65±1.550.413
 DeltaPerDuration (pg/L/s)0.417 (0.261–0.561)0.455 (0.336–0.646)0.643
  • Values are n (%) for categorical and mean±SD or median (25th–75th percentile) for continuous variables.

  • BMI, body mass index; CB, cryoballoon; CK, creatine kinase; CK-MB, creatine kinase MB isoenzyme; DeltaPerDuration, hs-cTnT release per duration of energy delivery; DeltaPerLength, hs-cTnT release per cm lesion; IMEA, irrigated multielectrode ablation; LVEF, left ventricular ejection fraction; PLAX, parasternal long axis; RF, radiofrequency; duration, duration of energy delivery; hs-cTnT, high-sensitive cardiac troponin T.