Research Article
Detection of Structural Changes in Tachogram Series for  the Diagnosis of Atrial Fibrillation Events
Table 6
Number of errors before (bef. corr.) and after (aft. corr.) the introduction of the artificial time delay (we fixed 
).
| | 
 |  | Pat. no. | Type-I errors (bef. corr.)
 | Type-I errors (aft. corr.)
 | Type-II errors (bef. corr.)
 | Type-II errors (after corr.)
 | Duration AF (min.)
 |  | 
 |  | 1 | 0 | 0 | 4 | 1 | 521 |  | 2 | 1 | 0 | 0 | 0 | 613 |  | 3 | 16 | 6 | 1 | 1 | 433 |  | 4 | 0 | 0 | 4 | 4 | 13 |  | 5 | 1 | 0 | 2 | 0 | 56 |  | 6 | 23 | 5 | 3 | 1 | 442 |  | 7 | 8 | 1 | 8 | 3 | 319 |  | 8 | 0 | 0 | 10 | 6 | 229 |  | 
 |  | Total | 49 | 12 | 32 | 16 | ā |  | 
 | 
 |