Age group | Hip OA cases in Iceland per 1000 in study group in 1990–96 | Icelandic population per age group in 1990 | Calculated cases of OA per age group in population | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Women | Men | Total | Women | Men | Total | Women | Men | Total | |||
40–44 | 0 | 26 | 8 | 7870 | 8495 | 16365 | 0 | 221 | 131 | ||
45–49 | 42 | 33 | 39 | 6397 | 6508 | 12905 | 269 | 215 | 503 | ||
50–54 | 67 | 37 | 53 | 5154 | 5151 | 10305 | 345 | 191 | 546 | ||
55–59 | 98 | 75 | 88 | 5363 | 5275 | 10638 | 526 | 396 | 936 | ||
60–64 | 82 | 155 | 112 | 5119 | 5003 | 10122 | 420 | 775 | 1134 | ||
65–69 | 96 | 99 | 97 | 4522 | 4221 | 8743 | 434 | 418 | 848 | ||
70–74 | 160 | 228 | 189 | 3665 | 3154 | 6819 | 586 | 719 | 1289 | ||
75–79 | 300 | 193 | 252 | 2928 | 2234 | 5162 | 878 | 431 | 1301 | ||
80–84 | 139 | 273 | 202 | 2046 | 1406 | 3452 | 284 | 384 | 697 | ||
85- | 357 | 192 | 263 | 1857 | 1079 | 2936 | 663 | 207 | 772 | ||
Total | 54060 | 52235 | 106295 | 4661 | 3956 | 8515 |
The overall crude prevalence rate for hip OA may be calculated as 165 cases per 1517 examined, or 10.8 % (table 1). The estimated age standardised prevalence rate may be calculated as 8515 cases per a total population aged 35 years and over of 106 295, or 8%.