Research Article

Impact of Radiofrequency Ablation and Antiarrhythmic Medications on the Quality of Life of Patients with Supraventricular Tachycardias: Preliminary Validation of the Greek Version of the Umea22 (U22) Questionnaire

Table 1

Factor analysis with polychoric correlations (rotated factor ).

MeasureItemFactor 1Factor 2Factor 3Factor 4Factor 5Factor 6

Well-being1-0.4360.1130.224-0.7390.082-0.019
Arrhythmia frequency80.622-0.1050.2320.1920.001-0.446
Arrhythmia sudden onset90.372-0.0070.551-0.3280.0560.052
Arrhythmia duration100.374-0.0460.469-0.084-0.1920.380
Arrhythmia events affects well-being110.8220.049-0.0200.1350.0150.131
Discomfort120.8770.090-0.0240.0280.0410.086
Heartbeat speed130.0660.960-0.032-0.0550.017-0.012
Heartbeat intensity140.0230.9520.001-0.0260.0330.031
Heartbeat irregularity15-0.023-0.0200.7760.1040.043-0.036
Faint or dizziness160.1180.137-0.0300.1640.660-0.067
Pain170.046-0.022-0.056-0.2050.7330.369
Fatigue18-0.3110.1250.3760.547-0.2500.147
Pruritus190.1690.2050.2490.4740.0920.005
Dyspnea20-0.178-0.0430.440-0.0480.529-0.228
Personal fear210.1860.030-0.0150.2550.0860.725
Fear to others22-0.136-0.1610.1100.3580.2630.447

in bold indicate the highest factor loadings for each item.