Personalized Federated Learning for ECG Classification Based on Feature Alignment

Table 2

Data distributions of each medical institution.

Type	Node1	Node2	Node3	Node4	Node5	Node6	Node7	Node8
Sinus rhythm	2924	1940	2308	1483	3610	3103	3645	1188
Sinus arrhythmia	2451	1720	1893	1264	3171	2728	3513	1841
Sinus tachycardia	1913	1283	1407	1308	2262	2178	2619	712
Sinus bradycardia	2046	1523	1660	1418	2898	2665	2857	787
T-wave alternans	1850	1295	1477	1227	2418	2260	2767	917
Normal	5533	3866	3920	3653	6652	6196	7473	1231