Lipoprotein (a) levels are elevated in psoriasis: An updated systematic review and meta-analysis

Table 1 Characteristics of eligible studies

Ref.	Year	Country	Study design	Population	Comorbidities	Psoriatic patients mean age (mean ± SD)	Controls mean age (mean ± SD)	Age and sex-matched controls
Seçkin et al[14]	1994	Turkey	Cohort	Psoriasis	Obesity, hypertension, smoking	36 ± 13	36 ± 15	Male only
Jones et al[16]	2000	United Kingdom	Case-control	Psoriatic arthritis	Gout	46 ± 13	46 ± 13	Yes
Rocha-Pereira et al[15]	2001	Portugal	Case-control	Psoriasis	-	47 ± 12	47 ± 13	Yes
Uyanik et al[17]	2002	Turkey	Case-control	Psoriasis	-	38 ± 5	-	Yes
Pietrzak et al[18]	2009	Poland	Cross-sectional	Psoriasis	-	37 ± 13	34 ± 12	Male only
Coimbra et al[19]	2010	Portugal	Cohort	Psoriasis	Smoking	43 ± 15	47 ± 15	Yes
Asefi et al[23]	2012	Iran	Case-control	Psoriasis	-	35 ± 11	36 ± 13	Yes
Ferretti et al[20]	2012	Italy	Case-control	Psoriasis	-	47 ± 13	41 ± 8	Yes
Oliviero et al[21]	2012	Italy	Case-control	Psoriatic arthritis	-	45 ± 15	-	Yes
Nemati et al[22]	2013	Iran	Cross-sectional	Psoriasis	-	35 ± 10	33 ± 11	Yes
Asefi et al[25]	2014	Iran	Case-control	Psoriasis	-	35 ± 11	36 ± 13	Yes
Papagoras et al[24]	2014	Greece	Cross-sectional	Psoriasis	Hypertension, smoking	48	49	Yes
Sunitha et al[26]	2015	India	Case-control	Psoriasis	-	45 ± 14	43 ± 11	Yes
Sorokin et al[27]	2018	Japan	Cohort	Psoriasis	Dyslipidemia	50 ± 13	40 ± 14	Yes
Wadhwa et al[28]	2019	India	Case-control	Psoriasis and psoriatic arthritis	Smoking and alcohol consumption, hypertension, diabetes, metabolic syndrome	41 ± 14	43 ± 5	Yes
Miao et al[29]	2019	China	Case-control	Psoriasis, psoriatic arthritis	Obesity, alcohol consumption, smoking, hypertension, hyperlipidemia, diabetes	52 ± 14	50 ± 14	Yes
Garshick et al[31]	2021	United States	Case-control	Psoriasis	Obesity	44 ± 14	-	Yes
Wang et al[30]	2022	China	Case-control	Psoriasis and psoriatic arthritis	Obesity, smoking and alcohol consumption, hypertension, diabetes, metabolic syndrome	NA	NA	No

NA: Not available.