. 2023 Apr 27;13:6918. doi: 10.1038/s41598-023-34177-w

Table 1.

Generalities and patient baseline of the included studies.

Author and year	Design	Head material	Liner material	Procedures	Mean age	Mean BMI	Women (%)
Briggs et al. 2015⁹	NonRCT	CoCr	Polyethylene	22	73	28.7	77%
Briggs et al. 2015⁹	NonRCT	Cocr	CoCr	23	67	28.1	74%
Cadossi et al. 2016¹⁸	NonRCT	Ceramic	CoCr	20	65.9	28.5	70%
Cadossi et al. 2016¹⁸	NonRCT	CoCr	CoCr	29	61.8	26	41%
Chen et al. 2016⁸	NonRCT	CoCr_HC	CoCr_HC	25	36
Chen et al. 2016⁸	NonRCT	CoCr	Polyethylene	25	35.4
Dahlstrand et al. 2017¹⁰	RCT	CoCr	CoCr	41	65	27	51%
Dahlstrand et al. 2017¹⁰	RCT	CoCr	Polyethylene	44	67	27	54%
Darrith et al. 2020¹⁹	NonRCT	CoCr	CoCr	49	57.59	33.58	51%
Darrith et al. 2020¹⁹	NonRCT	Al²O³, CoCr	CoCr, ceramic, polyethylene	26	58.65	33.72	50%
Engh et al. 2014²⁰	RCT	CoCr	Polyethylene	33	61.6	29.9	30%
		CoCr	CoCr	22	62.2	28.7	60%
		CoCr	CoCr	30	63.4	29.1	29%
		CoCr	CoCr	30	63.4	29.1	29%
Grübl et al. 2006²¹	RCT	Al²O³	Al²O³	15	58.2	28.2	53%
		CoCr	CoCr	13	66.8	28.2	77%
		Al²O³	Al²O³	15	58.2	28.2	53%
		CoCr	CoCr	13	66.8	28.2	77%
Gustafson et al. 2014²²	RCT	CoCr	CoCr	19	64	26	53%
		Al²O³, CoCr	Polyethylene	25	64	27	72%
		CoCr	CoCr	19	64	26	53%
		Al²O³, CoCr	Polyethylene	25	64	27	72%
Higgins et al. 2020²³	RCT	CoCr	CoCr	87	65.2		37%
Higgins et al. 2020²³	RCT	AMC/ZTA	CoCr	92	65.2		37%
Malviya et al. 2011²⁴	RCT	CoCr	CoCr	50	63.9	28.6	62%
		CoCr	Polyethylene	50	64.9	29.4	54%
		CoCr	CoCr	50	63.9	28.6	62%
		CoCr	Polyethylene	50	64.9	29.4	54%
Martin et al. 2018²⁵	NonRCT	AMC/ZTA	AMZ/ZTA	42	60	26.4	14%
Martin et al. 2018²⁵	NonRCT	CoCr	CoCr	40	54	30.6	55%
Moroni et al. 2012²⁶	NonRCT	CoCr	PCU	15	67	27.7	60%
		CoCr	CoCr	15	61	25.5	60%
		CoCr	PCU	15	67	27.7	60%
		CoCr	CoCr	15	61	25.5	60%
Nam et al. 2015²⁷	NonRCT	CoCr	Polyethylene	10	54.2	27.3	50%
		Ceramic	Polyethylene	15	45.1	26	80%
		OxZr	Polyethylene	11	43.5	30.3	36%
Pozzuoli et al. 2020²⁸	NonRCT	CoCr	CoCr	34	66.1	24.3	68%
Pozzuoli et al. 2020²⁸	NonRCT	Ceramic	AMZ/ZTA	34	68.6	25.5	62%
Savarino et al. 2008²⁹	NonRCT	CoCr	CoCr	32	72		75%
		Al²O³	Al²O³	16	54		56%
		Control group	Control group	47	43		21%
Savarino et al. 2002³⁰	NonRCT	CoCr	CoCr	26	48		54%
		CoCr	Polyethylene	15	64		80%
		Control group	Control group	22	56		59%
		Control group	Control group	22	43		36%
Savarino et al. 2008²⁹	NonRCT	CoCr	CoCr	32	72		75%
		Al²O³	Al²O³	16	54		56%
		Control group	Control group	47	43		21%
Savarino et al. 2002³⁰	NonRCT	CoCr	CoCr	26	48		54%
		CoCr	Polyethylene	15	64		80%
		Control group	Control group	22	56		59%
		Control group	Control group	22	43		36%
Schouten et al. 2017³¹	NonRCT	AMC/ZTA	CoCr	36	62	30	50%
Schouten et al. 2017³¹	NonRCT	CoCr	CoCr	31	64	30	32%
Schouten et al. 2012³²	RCT	AMC/ZTA	CoCr	41	61.5	29	45%
		CoCr	CoCr	36	63.8	29	36%
		AMC/ZTA	CoCr	41	61.5	29	45%
		CoCr	CoCr	36	63.8	29	36%
Tiusanen et al. 2013³³	NonRCT	CoCr_HC	CoCr_HC	46	62		50%
		CoCr_HC	Polyethylene	46	60		48%
		CoCr_HC	CoCr_HC	46	62		50%
		CoCr_HC	Polyethylene	46	60		48%
White et al. 2016³⁴	NonRCT	AMC/ZTA	Polyethylene	370	60.6	27.5	43%
White et al. 2016³⁴	NonRCT	CoCr	Polyethylene	313	74.2	27.2	60%
Zijlstra et al. 2014³⁵	RCT	CoCr	Polyethylene	32
		CoCr	CoCr	28
		CoCr	Polyethylene	32
		CoCr	CoCr	28

RCT randomised controlled trial, Al²O³ Alumina oxide ceramic, AMC/ZTA Alumina matrix composite/Zirconia toughed alumina, OxZR Oxidized zirconium, PCU Polycarbidate Urethan, CoCR Co Cr, CoCR_HC CoCr—high carbid.