Cohen’s k | % of agreement | Prevalence difference | |||||||
---|---|---|---|---|---|---|---|---|---|
50s | k = 0.457 | Agreement = 69.5% | 6% | ||||||
NHANES diagnosis | |||||||||
KNHANES diagnosis | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 741 | 53.10 | 390 | 28 | 351 | 25.1 | 0 | 0 | |
Osteopenia | 622 | 44.60 | 0 | 0 | 547 | 39.2 | 75 | 5.4 | |
Osteoporosis | 32 | 2.30 | 0 | 0 | 0 | 0 | 32 | 2.3 | |
Total | 1,395 | 100.00 | 390 | 28 | 898 | 64.3 | 107 | 7.7 | |
60s | k = 0.446 | Agreement = 71.1% | 13% | ||||||
KNHANES diagnosis | NHANES diagnosis | ||||||||
Total | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 414 | 24.40 | 155 | 9.1 | 259 | 15.3 | 0 | 0 | |
Osteopenia | 1,100 | 64.80 | 0 | 0 | 870 | 51.2 | 230 | 13.6 | |
Osteoporosis | 183 | 10.80 | 0 | 0 | 0 | 0 | 183 | 10.8 | |
Total | 1,697 | 100.00 | 155 | 9.1 | 1,129 | 66.5 | 413 | 24.4 | |
70s | k = 0.553 | Agreement = 75% | 19% | ||||||
KNHANES diagnosis | NHANES diagnosis | ||||||||
Total | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 101 | 7.90 | 27 | 2.1 | 74 | 5.8 | 0 | 0 | |
Osteopenia | 742 | 57.90 | 0 | 0 | 496 | 38.7 | 246 | 19.2 | |
Osteoporosis | 439 | 34.20 | 0 | 0 | 0 | 0 | 439 | 34.2 | |
Total | 1,282 | 100.00 | 27 | 2.1 | 570 | 44.5 | 685 | 53.4 | |
80s | k = 0.565 | Agreement = 82% | 17% | ||||||
KNHANES diagnosis | NHANES diagnosis | ||||||||
Total | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 8 | 2.60 | 1 | 0.3 | 7 | 2.3 | 0 | 0 | |
Osteopenia | 99 | 32.40 | 0 | 0 | 51 | 16.7 | 48 | 15.7 | |
Osteoporosis | 199 | 65.00 | 0 | 0 | 0 | 0 | 199 | 65 | |
Total | 306 | 100.00 | 1 | 0.3 | 58 | 19 | 247 | 80.7 |