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Distribution of the number of integrable patient records per data source.
| Number of data sources having the same patient’s record | Number of unique patient’s records (n=4252), n (%) | Total of integrated records (n=9548), n (%) |
| 2 | 3247 (76.36) | 6494 (68.02) |
| 3 | 968 (22.77) | 2904 (30.41) |
| 4 | 35 (0.82) | 140 (1.47) |
| 5 | 2 (0.05) | 10 (0.10) |
