Background: Bone turnover and metabolic indicators are related to age and gender. Age and gender should be matched in subjects in disease control research of bone turnover and metabolism, but strict matching of gender and age increases the difficulty and cost of the research. Therefore, the aim of this study was to solve it is necessary to strictly match age and gender in clinical research in bone metabolism.
METHODS: A cross-sectional study was conducted from the data were extracted from the HIS of ZhuJiang Hospital. Data relating to seven bone turnover and metabolic indicators from 1036 patients between January 2018 and October 2019 were analyzed.
RESULTS: P1NP, β-CTx and 25(OH)D were significant different in individuals younger than 20 years of age. ALP was significantly higher in those under 20 years of age and lower at age 20-39 compared with other age groups. The concentrations of Ca and P were different among the groups aged 0-19, 20-39, and 40-59 years of age groups but exhibited no difference above 60 years of age. PTH expression was not dependent on age. P1NP, β-CTx and PTH concentrations were not significantly different between the genders within the same age group. ALP was significantly different between genders within the age range 20-59 years. Ca and 25(OH)D were significantly different between the genders for those older than 60. Serum P was significantly different in the two genders for those aged 40-79. Patients received both alfacalcidol and calcium treatment differently from the others in P1NP, β-CTx, Serum Ca, P and ALP.
CONCLUSION: P1NP and β-CTx were highly correlated with age. If these two indictors require analysis in a case control study, the patients and controls should be strictly matched by age under 20 years. The demarcation point for ALP was 40 years of age. Ca and P were strongly recommended strict matching according to age in disease research. The difference in P1NP, β-CTx, 25(OH)D and ALP between genders depends on age differences. Medication history should be considered in bone turnover and metabolic clinical research.
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Posted 20 Aug, 2020
On 24 Aug, 2020
On 17 Aug, 2020
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On 16 Aug, 2020
On 18 May, 2020
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On 17 May, 2020
Posted 27 May, 2020
On 22 Jul, 2020
Received 15 Jul, 2020
On 13 Jul, 2020
Invitations sent on 08 Jul, 2020
On 08 Jul, 2020
Received 08 Jul, 2020
On 15 Jun, 2020
On 14 Jun, 2020
On 14 Jun, 2020
On 24 Apr, 2020
On 03 Apr, 2020
Received 03 Apr, 2020
Received 31 Mar, 2020
On 16 Mar, 2020
Invitations sent on 12 Mar, 2020
On 08 Mar, 2020
On 07 Mar, 2020
On 07 Mar, 2020
On 05 Mar, 2020
Posted 20 Aug, 2020
On 24 Aug, 2020
On 17 Aug, 2020
On 16 Aug, 2020
On 16 Aug, 2020
On 18 May, 2020
On 17 May, 2020
On 17 May, 2020
Posted 27 May, 2020
On 22 Jul, 2020
Received 15 Jul, 2020
On 13 Jul, 2020
Invitations sent on 08 Jul, 2020
On 08 Jul, 2020
Received 08 Jul, 2020
On 15 Jun, 2020
On 14 Jun, 2020
On 14 Jun, 2020
On 24 Apr, 2020
On 03 Apr, 2020
Received 03 Apr, 2020
Received 31 Mar, 2020
On 16 Mar, 2020
Invitations sent on 12 Mar, 2020
On 08 Mar, 2020
On 07 Mar, 2020
On 07 Mar, 2020
On 05 Mar, 2020
Background: Bone turnover and metabolic indicators are related to age and gender. Age and gender should be matched in subjects in disease control research of bone turnover and metabolism, but strict matching of gender and age increases the difficulty and cost of the research. Therefore, the aim of this study was to solve it is necessary to strictly match age and gender in clinical research in bone metabolism.
METHODS: A cross-sectional study was conducted from the data were extracted from the HIS of ZhuJiang Hospital. Data relating to seven bone turnover and metabolic indicators from 1036 patients between January 2018 and October 2019 were analyzed.
RESULTS: P1NP, β-CTx and 25(OH)D were significant different in individuals younger than 20 years of age. ALP was significantly higher in those under 20 years of age and lower at age 20-39 compared with other age groups. The concentrations of Ca and P were different among the groups aged 0-19, 20-39, and 40-59 years of age groups but exhibited no difference above 60 years of age. PTH expression was not dependent on age. P1NP, β-CTx and PTH concentrations were not significantly different between the genders within the same age group. ALP was significantly different between genders within the age range 20-59 years. Ca and 25(OH)D were significantly different between the genders for those older than 60. Serum P was significantly different in the two genders for those aged 40-79. Patients received both alfacalcidol and calcium treatment differently from the others in P1NP, β-CTx, Serum Ca, P and ALP.
CONCLUSION: P1NP and β-CTx were highly correlated with age. If these two indictors require analysis in a case control study, the patients and controls should be strictly matched by age under 20 years. The demarcation point for ALP was 40 years of age. Ca and P were strongly recommended strict matching according to age in disease research. The difference in P1NP, β-CTx, 25(OH)D and ALP between genders depends on age differences. Medication history should be considered in bone turnover and metabolic clinical research.
Figure 1
Figure 2
Figure 3
This is a list of supplementary files associated with this preprint. Click to download.
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