The Efficacy and Safety of Traditional Chinese Medicine Tonifying-Shen (Kidney) Principle for Primary Osteoporosis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Table 1

The search strategy used in the PubMed database.

Serial number	Search items
#1	Bushen
#2	Tonifying Shen
#3	Bu Shen
#4	Yishen
#5	Nourishing the kidney
#6	Tonifying the kidney
#7	Yi Shen
#8	Tonifying kidney
#9	Nourishing kidney
#10	Nourishing Shen
#11	Reinforcing the kidney
#12	Reinforcing kidney
#13	Reinforcing Shen
#14	Invigorating the kidney
#15	Invigorating kidney
#16	Invigorating Shen
#17	Kidney-reinforcing
#18	Kidney reinforcing
#19	Shen reinforcing
#20	Shen-reinforcing
#21	Kidney-invigorating
#22	Kidney invigorating
#23	Shen-invigorating
#24	Kidney-tonifying
#25	Shen-tonifying
#26	Kidney tonifying
#27	Shen tonifying
#28	Shen invigorating
#29	Invigorating Shen
#30	#1 or #2—#29
#31	Primary osteoporosis
#32	Osteoporosis
#33	Age-related osteoporosis
#34	Age-related osteoporosis
#35	Osteoporosis, senile
#36	Osteoporosis, involutional
#37	Senile osteoporosis
#38	Osteoporosis, age-related
#39	Osteoporosis, age-related
#40	Bone loss, age-related
#41	Age-related bone loss
#42	Age-related bone losses
#43	Bone loss, age-related
#44	Bone losses, age-related
#45	#31 or #32—#44
#46	Randomized controlled trials
#47	Randomized
#48	Randomly
#49	Random
#50	RCTs
#51	#46 or #47—#50
#52	#30 and #45 and #51