Electrocardiographic data at baseline and follow up
| All patients | CTG expansion (Tsilfidis scale) | p Value | |||||
|---|---|---|---|---|---|---|---|
| E0/E1 | E2 | E3/E4 | |||||
| n | 73 | 25 | 34 | 14 | |||
| Follow up (years) | 4.8 (1.8) | 5.0 (1.9) | 4.2 (1.6) | 5.8 (1.5) | 0.012-150 | ||
| PR > 200 ms, baseline | 17 (23%) | 6 (24%) | 9 (26%) | 2 (14%) | NS2-151 | ||
| PR > 200 ms, follow up | 25 (34%) | 7 (28%) | 12 (35%) | 6 (43%) | NS2-151 | ||
| Rate of change of PR interval (ms/year) | 2.5 (4.5) | 1.0 (3.0) | 3.0 (6.0) | 2.5 (3.5) | NS2-152 | ||
| QRS > 100 ms, baseline | 10 (14%) | 1 (4%) | 4 (12%) | 5 (36%) | 0.022-151 | ||
| QRS > 100 ms, follow up | 16 (22%) | 1 (4%) | 7 (21%) | 8 (57%) | 0.00042-151 | ||
| Rate change QRS (ms/year) | 1.1 (2.1) | 0.4 (1.3 ) | 1.4 (2.5 ) | 1.5 (1.6 ) | 0.042-152 | ||
| RBBB baseline | 2 (3%) | 0 | 1 (3%) | 1 (7%) | NS2-151 | ||
| RBBB follow up | 3 (4%) | 0 | 2 (6%) | 1 (7%) | NS2-151 | ||
| LBBB baseline | 1 (1%) | 0 | 0 | 1 (7%) | NS2-151 | ||
| LBBB follow up | 3 (4%) | 0 | 1 (3%) | 2 (14%) | NS2-151 | ||