Table 2.

Top 10 countries and institutions in the study of NSLBP from 2000 to 2018.

Ranking	Country	Publications	Percentage (%)	Centrality	Institution	Publications	Percentage (%)	Centrality
1	Australia	188	17.11	0.66	University of Sydney	76	6.92	0.47
2	Netherlands	176	16.02	0.84	Vrije Universiteit Amsterdam	71	6.46	0.20
3	USA	162	14.74	0.33	Maastricht University	34	3.09	0.14
4	England	141	12.83	0.49	Universidade Cidade de Sao Paulo	32	2.91	0.14
5	Brazil	91	8.28	0.00	George Institute for Global Health	31	2.82	0.09
6	Germany	84	7.64	0.50	Monash University	25	2.28	0.22
7	Canada	81	7.37	0.00	Keele University	20	1.82	0.11
8	Switzerland	66	6.01	0.66	University of Groningen	20	1.82	0.02
9	Spain	65	5.91	0.02	Erasmus University	19	1.73	0.03
10	Belgium	50	4.55	0.00	University of Alberta	18	1.64	0.13