Cohen’s k | % of agreement | Prevalence difference | |||||||
---|---|---|---|---|---|---|---|---|---|
50s | k = 0.668 | Agreement = 83.3% | 1% | ||||||
NHANES diagnosis | |||||||||
KNHANES diagnosis | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 744 | 51.40 | 744 | 51.4 | 0 | 0 | 0 | 0 | |
Osteopenia | 685 | 47.30 | 230 | 15.9 | 455 | 31.4 | 0 | 0 | |
Osteoporosis | 19 | 1.30 | 0 | 0 | 11 | 0.8 | 8 | 0.5 | |
Total | 1,448 | 100.00 | 974 | 67.3 | 466 | 32.2 | 8 | 0.5 | |
60s | k = 0.661 | Agreement = 81.1% | 3% | ||||||
NHANES diagnosis | |||||||||
KNHANES diagnosis | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 514 | 36.40 | 514 | 36.4 | 0 | 0 | 0 | 0 | |
Osteopenia | 807 | 57.20 | 226 | 16.1 | 581 | 41.1 | 0 | 0 | |
Osteoporosis | 91 | 6.40 | 0 | 0 | 40 | 2.8 | 51 | 3.6 | |
Total | 1,412 | 100.00 | 740 | 52.5 | 621 | 43.9 | 51 | 3.6 | |
70s | k = 0.654 | Agreement = 81.4% | 6% | ||||||
NHANES diagnosis | |||||||||
KNHANES diagnosis | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 177 | 18.40 | 177 | 18.4 | 0 | 0 | 0 | 0 | |
Osteopenia | 634 | 66.00 | 123 | 12.8 | 511 | 53.2 | 0 | 0 | |
Osteoporosis | 150 | 15.60 | 0 | 0 | 56 | 5.8 | 94 | 9.8 | |
Total | 961 | 100.00 | 300 | 31.2 | 567 | 59 | 94 | 9.8 | |
80s | k = 0.633 | Agreement = 78.1% | 9% | ||||||
NHANES diagnosis | |||||||||
KNHANES diagnosis | Normal | Osteopenia | Osteoporosis | ||||||
n | % | n | % | n | % | n | % | ||
Normal | 20 | 10.90 | 20 | 10.9 | 0 | 0 | 0 | 0 | |
Osteopenia | 104 | 56.80 | 23 | 12.6 | 81 | 44.2 | 0 | 0 | |
Osteoporosis | 59 | 32.30 | 0 | 0 | 17 | 9.3 | 42 | 23 | |
Total | 183 | 100.00 | 43 | 23.5 | 98 | 53.5 | 42 | 23 |