Table 1.
Summary of the characteristics of the different samples included in this study.
| Cases | Controls | |||||
|---|---|---|---|---|---|---|
| Study | Number | Mean Age (y) (SD) | Male:Female | Number | Mean Age (y) (SD) | Male:Female |
| SPAIN | 755 | 75.31 (9.33) | 0.54 | 849 | 76.05 (12.37) | 0.53 |
| FINLAND | 586 | 71.38 (7.50) | 0.47 | 663 | 69.14 (6.09) | 0.67 |
| FRANCE 1 | 2 025 | 73.66 (8.91) | 0.53 | 5 328 | 73.83 (5.42) | 0.63 |
| ITALY | 1 513 | 76.62 (8.72) | 0.48 | 1 338 | 70.76 (11.83) | 0.80 |
| USA | 934 | 72.86 (6.26) | 0.48 | 866 | 73.85 (6.36) | 0.68 |
| FRANCE 2 | 639 | 63.99 (9.88) | 0.60 | 532 | 66.13 (12.01) | 0.89 |
| BELGIUM | 1 079 | 78.56 (8.10) | 0.51 | 556 | 64.20 (15.29) | 0.75 |
| TOTAL | 7 531 | 74.03 (9.27) | 0.51 | 10 132 | 72.37 (9.06) | 0.67 |