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Table 5.

Correlation between several parameters and cardioversion success.

Successful cardioversion (n=46) Unsuccessful cardioversion (n=6) P
Persistent arrhythmia (months duration) 7 (15.2%) 1 (16.7%) 0.926
LVEF 50 (35–55) 40 (32–50) 0.241
LAMV indexed to BSA (mL/m2) 41 (34–54) 43 (37–54) 0.685
LAmV indexed to BSA (mL/m2) 26 (21–34) 31 (26–38) 0.230
PNS (%) −1.02 (−2.44 to −0.67) −0.55 (−0.78 to −0.35) 0.038
PNS/LAMV indexed to BSA (%/mL/m2) −0.026 (−0.058 to −0.016) −0.0111 (−0.015 to −0.009) 0.030
PNS/LAmV indexed to BSA (%/mL/m2) −0.042 (−0.111 to −0.022) −0.018 (−0.023 to −0.012) 0.033
PPS (%) 8.25 (6.56–12.60) 6.56 (4.88–8.29) 0.128
PPS/LAMV indexed to BSA (%/mL/m2) 0.20 (0.14–0.34) 0.15 (0.11–0.19) 0.160
PPS/LAmV indexed to BSA (%/mL/m2) 0.32 (0.22–0.56) 0.19 (0.14–0.28) 0.089

BSA, body surface area; LAMV, left atrial maximum volume; LAmV, left atrial minimum volume; LVEF, left ventricle ejection fraction; PNS, peak-negative strain; PPS, peak-positive strain. Statistically significant values are given in bold.