Bibliometric and Visualized Analyses of Research Studies on Different Analgesics in the Treatment of Orthopedic Postoperative Pain

Table 2

The top five high-yield countries, organizations, and authors on analgesics in the treatment of orthopedic postoperative pain from 1985 to 2021.

Category	Rank	Items	Records	H-index	Total citations	Average citations
Author	1	Ilfeld BM, University of California San Diego	7	5	226	32.29
	2	Lauretti GR, University of São Paulo	6	4	171	28.5
	3	Carr DB, Tufts University	5	5	77	15.4
	3	Liu SS, Virginia Mason Medical Center	5	5	220	44
	4	Capdevila X, CHU de Montpellier Anesthesiol and Crit Care Dept	4	4	197	49.25
Organization	1	University of California System	21	12	602	28.67
	2	Pennsylvania Commonwealth System of Higher Education Pcshe	9	5	160	17.78
	2	Universidade De Sao Paulo	9	5	206	22.89
	3	University of Pennsylvania	8	6	124	15.5
	4	Cleveland Clinic Foundation	7	3	120	17.14
Country	1	USA	178	36	4777	26.84
	2	Canada	25	18	1272	50.88
	3	England	22	16	2064	93.82
	4	France	20	13	667	33.35
	4	Germany	20	13	531	26.55