Table 2. Associations With AF Risk in Spanish Elite Athletes.
| Variable | Logistic Regression, OR (95% CI) | Association Cutoff Value | Receiver Operator Curves for Cutoff Values | |||
|---|---|---|---|---|---|---|
| Univariate | Multivariate, Stepwise Forward | AUC (95% CI) | Sensitivity, Specificity, % | P Value | ||
| Sex (male) | 11.02 (1.48-82.23)a | NS | ||||
| Age | 1.18 (1.14-1.22)b | 1.07 (1.00-1.14)c | 27 y | 0.87 (0.76-0.97) | 85, 81 | <.001 |
| Years of competition | 1.15 (1.11-1.19)b | 1.14 (1.07-1.22)b | 14 y | 0.86 (0.76-0.96) | 80, 86 | <.001 |
| Endurance sport | 2.58 (1.10-6.11)c | NS | ||||
| RA.Sid | 1.20 (1.13-1.29)b | NS | 55 mm | 0.77 (0.65-0.89) | 75, 72 | <.001 |
| LA.Sid | 1.16 (1.09-1.25)b | NS | 54 mm | 0.70 (0.56-0.84) | 71, 70 | .001 |
| LA.APd | 1.32 (1.22-1.43)b | 1.21 (1.10-1.32)b | 41 mm | 0.83 (0.71-0.95) | 70, 92 | <.001 |
| Left atrial sphericity indexd | 1.10 (1.06-1.14)b | NS | 79% | 0.72 (0.59-0.85) | 50, 89 | .001 |
Abbreviations: AF, atrial fibrillation; AUC, area under the curve; LA.APd, left atrial anteroposterior diameter; LA.SId, left atrial superoinferior diameter; NS, nonsignificant in the model; OR, odds ratio; RA.Sid, right superoinferior diameter.
a
P =.02
b
P < .001.
c
P = .03.
d
LA.APd/LA.SId × 100.