Prevalence of osteoporosis in North Korean women refugees and South Korean women
| Premenopausal, n (%) | |||
| NORNS (n=70) | KUMC (n=210) | P value | |
| Below the expected range (Z-score≤−2.0) | 0 | 4 (1.9) | 0.575 |
| Within the expected range (Z-score≥2.0) | 70 (100.0) | 206 (98.1) | |
| Postmenopausal, n (%) | |||
| NORNS (n=52) | KUMC (n=156) | P value | |
| Normal (T-score≥−1.0) | 5 (9.6) | 32 (20.5) | <0.001 |
| Osteopenia (−2.5<T-score≤1.0) | 22 (42.3) | 97 (62.2) | |
| Osteoporosis (T-score≤−2.5) | 25 (48.1) | 27 (17.3) | |
KUMC, Korea University Medical Center; NORNS, North Korea Refugee Health in South Korea.