Nitrogen-containing bisphosphonate for vascular calcification: animal experiments, systematic review and meta-analysis

Table 3 Quality assessment of randomized control trial

Study	Random sequence generation	Allocation concealment	Blinding of participants and personnel	Incomplete outcome data	Selective reporting	Other bias
Torregrosa (2010)	?	+	?	+	+	?

The randomized control trial was evaluated using the Cochrane assessment tool.+,low risk of bias;?,unclear risk of bias; -,high risk of bias

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