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. 2018 Feb 1;15(4):323–338. doi: 10.7150/ijms.22747

Figure 1.

Figure 1

Schematic presentation of principles of classification of bone turnover marker status and the prevalence (%) of each subtype among hospitalised orthogeriatric patients. In subtypes 2A and 4A the ratio P1NP/bCTX >100.0, while in subtypes 2B and 4B the ratio P1NP/bCTX <100.0. The proportion (%) of patients with each subtype among all subjects admitted with a hip or non-hip fracture and without a fracture is shown in geometrical figures. Abbreviations: P1NP, N-terminal propeptide of type I procollagen; bCTX, C-terminal βcross-linked telopeptide of type I collagen; HF, hip fracture; non-FH, other non-vertebral fracture.