| Men | Women | Total | P value |
---|---|---|---|---|
Age, years | ||||
40–49 | 1 /165(0.6%) | 8/148 (5.4%) | 9/313 (2.9%) | 0.011 |
50–59 | 6/190 (3.2%) | 16/150 (10.7%) | 22/340 (6.5%) | 0.005 |
60–69 | 18/186 (9.7%) | 18/98(18.4%) | 36/284 (12.7%) | 0.036 |
 ≥ 70 | 7/20 (35.0%) | 4/16 (25.0%) | 11/36 (30.1%) | 0.584 |
Total | 32/579 (5.5%) | 46/412(11.2%) | 78/991 (7.9%) | 0.001 |
P value |  < 0.001 | 0.004 |  < 0.001 |  |