Age and sex specific prevalence ratios (per million) of myasthenia gravis in Estonia on 1 January 1997
| Age group (years) | Population on 1 January 1997 | Cases of myasthenia gravis | Prevalence ratio (95% CI) | p Value* | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Men | Women | Total | Men | Women | Total | Men | Women | Total | ||
| *Statistical differences between the ratios for men v women. | ||||||||||
| 0–9 | 91 501 | 87 155 | 178 656 | 1 | 1 | 2 | 10.9 (0.3 to 60.9) | 11.5 (0.3 to 63.9) | 11.2 (1.4 to 40.4) | 0.976 |
| 10–19 | 109 132 | 105 674 | 214 806 | 5 | 5 | 10 | 45.8 (14.8 to 106.8) | 47.3 (15.3 to 110.3) | 46.6 (22.3 to 85.7) | 0.9602 |
| 20–29 | 107 330 | 101 067 | 208 397 | 5 | 12 | 17 | 46.6 (15.1 to 108.6) | 118.7 (61.4 to 207.8) | 81.6 (47.5 to 130.5) | 0.0688 |
| 30–39 | 103 187 | 105 520 | 208 707 | 7 | 9 | 16 | 67.8 (27.2 to 139.8) | 85.3 (39.1 to 162.1) | 76.7 (43.8 to 124.2) | 0.6456 |
| 40–49 | 96 649 | 107 129 | 203 778 | 6 | 24 | 30 | 62.1 (22.8 to 135.3) | 224.0 (143.6 to 333.8) | 147.2 (99.4 to 210.5) | <0.01 |
| 50–59 | 75 021 | 92 816 | 167 837 | 4 | 22 | 26 | 53.3 (14.6 to 136.5) | 237.0 (148.6 to 272.6) | 154.9 (101.2 to 227.7) | <0.01 |
| 60–69 | 62 309 | 91 383 | 153 692 | 5 | 22 | 27 | 80.2 (26.0 to 187.0) | 240.7 (150.9 to 363.5) | 175.7 (115.8 to 254.7) | 0.0198 |
| 70–79 | 26 198 | 60 931 | 87 129 | 7 | 8 | 15 | 267.2 (107.1 to 550.4) | 131.3 (15.6 to 258.7) | 172.2 (96.4 to 284.1) | 0.1616 |
| 80–89 | 9387 | 29 741 | 39 128 | 0 | 1 | 1 | 0.0 (0.0 to 319.6) | 33.6 (0.9 to 187.3) | 25.6 (0.6 to 142.4) | 0.5754 |
| Total | 680 714 | 781 416 | 146 2130 | 40 | 104 | 144 | 58.8 (42.0 to 79.9) | 133.1 (109.3 to 162.0) | 98.5 (83.3 to 116.3) | <0.001 |
| Adjusted to the European standard population | 60.3 (43.0 to 82.0) | 128.0 (105.1 to 155.8) | 96.0 (81.2 to 113.4) | <0.001 | ||||||
| Adjusted to the world standard population | 52.1 (37.2 to 70.9) | 109.6 (73.9 to 133.4) | 82.4 (69.7 to 97.3) | <0.001 | ||||||