Table 5.

Logistic regression analyses of factors to predict elevated BTMs.

Normal-OST/ Elevated-OST	Multivariate
	P	OR	95%CI
Duration of disease (<21/≥21)	0.068	2.046	0.947	4.417
FT3 (<15.765/≥15.765)	0.006	0.22	0.075	0.643
FT4 (<31.37/≥31.37)	0.85	1.113	0.367	3.372
TSH (<0.0045/≥0.0045)	0.679	0.822	0.323	2.086
TRAb (<20.37/≥20.37)	0.204	0.616	0.292	1.3
Radioactive iodine uptake rate (<0.715/≥0.715)	0.125	0.528	0.234	1.194
Thyroid weight (<22.35/≥22.35)	0.012	0.357	0.16	0.797
Ca (<2.345/≥2.345)	0.005	0.336	0.156	0.721
ALP (<87.5/≥87.5)	<0.001	0.121	0.055	0.266

Normal-P1NP/ Elevated-P1NP	Multivariate
	P	OR	95%CI
Gender(Male/Female)	0.087	2.06	0.901	4.709
Duration of disease (<21/≥21)	0.013	2.415	1.206	4.838
FT3 (<15.765/≥15.765)	0.008	0.246	0.087	0.691
FT4 (<30.46/≥30.46)	0.517	1.406	0.502	3.942
TSH (<0.0045/≥0.0045)	0.019	2.983	1.199	7.418
TRAb (<20.37/≥20.37)	0.63	0.842	0.419	1.692
Ca (<2.345/≥2.345)	0.197	0.616	0.295	1.286
ALP (<85.5/≥85.5)	<0.001	0.062	0.029	0.133

Normal-CTX-1/ Elevated-CTX-1	Multivariate
	P	OR	95%CI
Gender(Male/Female)	0.167	1.584	0.824	3.043
Age (<28.5/≥28.5)	0.001	3.106	1.583	6.092
Duration of disease (<42/≥42)	0.005	2.387	1.292	4.411
FT3 (<26.515/≥26.515)	0.219	0.598	0.264	1.356
FT4 (<33.09/≥33.09)	0.251	0.632	0.89	1.383
TSH (<0.0045/≥0.0045)	0.135	1.908	0.818	4.454
TRAb (<20.79/≥20.79)	0.032	0.525	0.292	0.946
Thyroid weight (<25.85/≥25.85)	0.23	0.675	0.356	1.281
25(OH)-VD (<32.515/≥32.515)	0.421	0.789	0.444	1.404
Ca (<2.355/≥2.355)	0.354	0.741	0.394	1.395
ALP(<88.5/≥88.5)	<0.001	0.175	0.098	0.311

Bold values in the table indicate that these indicators are statistically significant.