Table 1.

Baseline characteristics of the included studies in the meta-analysis

Authors	Country	Study design	Mean age±SD	Patients	Cutoff value	Type of assay	Abnormal cTn (%)
Trooyen et al., 2001[12]	Norway	PCS	-	40	>0.4 µg/L	cTnI	-
James et al., 2000[9]	New Zealand	PCS	82	181	>0.1	cTnT	-
Guerrero-peral et al., 2002[23]	Spain	RCS	-	42	0.1	cTnT	-
Maliszewska et al., 2005[21]	Poland	PCS	-	196	>0.1	cTnI	-
Di Angelantonio et al., 2005[7]	Italy	PCS	56.6±12.9	330	0.1 ng/ml	cTnI	16.3
Jensen et al., 2007[14]	Denmark	PCS	68.7±13.1	244	0.03 µg/L	cTnT	10
Barber et al., 2007[25]	UK	PCS	73	222	>0.2 µg/L	cTn1
Scheitz et al., 2012[17]	Germany	RCS	66 to 84	715	0.03 µg/L	cTnT	14
Hajdinjak et al., 2012[22]	Slovenia	PCS	70±12.1	106	0.04 µg/L	cTnT	15.1
Jensen et al., 2012[15]	Denmark	PCS	69.4±12.1	193	14 ng/mL	HS-cTnT	33.7
Scheitz et al., 2014[16]	Germany	PCS	61–88	1016	14 ng/ml	Hs-cTnT	60
Faiz et al., 2014[8]	Norway	RCS	65-83	287	14 ng/ml	HS-cTnT	54.4
Lasek-Bal et al., 2014[20]	Poland	PCS	72±11	1068	0.014 ng/ml	HS-cTnI	9.7
Maoz et al., 2015[18]	Israel	RCS	73.9±12.9	212	0.03 µg/L	HS-cTnT	16.5
Peddada et al., 2016[26]	USA	RCS	65±15	1145	0.12 ng/ml	HS-cTnI	17.0
Su et al., 2016[24]	Taiwan	RCS	72.3±13.6	871	0.01 µg/L	cTnI	16.8
Batal et al., 2016[27]	USA	PCS	67±15	1718	0.10 µg/L	cTnI	18
Sung et al., 2017[19]	Korea	RCS	66±12.4	1692	>0.004 ng/ml	cTnI	-
Sui et al., 2019 [13]	China	PCS	76	241	14 ng/L	HS-cTnT	-

SD: Standard deviation, cTnI: Cardiac troponin I, cTnT: Cardiac troponin, HS: High-sensitivity, PCS: Prospective cohort study, RCS: Retrospective cohort study