Table 3.
Description of the study population according to the data source
| Data sources with women of childbearing age | Data sources with pregnant women | |||||
|---|---|---|---|---|---|---|
| Emilia Romagna (Italy) |
Norway | Wales (United-Kingdom) | Finland | Haute-Garonne (France) |
Valencian Region (Spain) |
|
| Study population | 1,371,568 | 1,612,782 | 729,751 | 482,968 | 103,330 | 189,380 |
| Median follow-up (years) | 9.1 (4.5-11) | 10.5 (5.5-12) | 19.7 (14.5-22)1 | 2.5 (1.3-4.8) | 1 (1-3) | 1.3 (1.2-1.3) |
| Mean coverage | 100% | 100% | 100% | 79% | 84% | 96% |
| Number of women meeting the criteria of the 5 MS identification algorithms (N) | ||||||
| MS1 | 3,985 (0.29%) | 7,351 (0.46%) | 1,833 (0.25%) | 1,140 (0.24%) | 105 (0.10%) | 220 (0.12%) |
| MS2 | 3,315 (0.24%) | 7,106 (0.44%) | 1,376 (0.19%) | 1,012 (0.21%) | 75 (0.07%) | 123 (0.06%) |
| MS3 | 3,127 (0.23%) | 6,586 (0.41%) | 1,072 (0.15%) | 893 (0.18%) | 57 (0.06%) | 93 (0.05%) |
| MS4 | 2,789 (0.2%) | 7,193 (0.45%) | 1,473 (0.20%) | 954 (0.20%) | 67 (0.06%) | 200 (0.11%) |
| MS5 | 1,281 (0.09%) | 7,057 (0.44%) | 1,340 (0.18%) | 951 (0.20%) | 19 (0.02%) | 45 (0.02%) |
| Maximum relative difference between two algorithms | 67.8% | 10.4% | 41.5% | 21.6% | 81.9% | 79.5% |
1The length of follow-up for Wales considers the historical data available before the study period from 1998