Glycated albumin as a biomarker for diagnosis of diabetes mellitus: A systematic review and meta-analysis

Table 1 Basic characteristics of included studies

Ref.	Year	Nation	Men, n (%)	Age (yr)	BMI (kg/m2)/BMI z-score	Detection methods	Cut-off	n	TP (a)	FP (b)	FN (c)	TN (d)
Chume et al[42]	2019	Brazil	40.5	53.41	28.91	GlycoGap, Poway, CA	14.8%	242	50	57	27	108
Furusyo et al[52]	2011	Japan	29.8	49.9	22.2	Lucica GA-L, Japan	15.5%	1575	60	251	12	1252
He et al[47]	2017	China	55.2	55.0	24.9	Lucica GA-L, Japan	17.1%	1287	629	12	363	283
Ikezaki et al[48]	2015	Japan	32.0	59.0	23.1	Lucica GA-L, Japan	15.2%	908	36	56	22	91
Lang et al[37]	2018	China	0	20-30 wk2	Not given	Enzymatic method,Japan	13.5%	276	104	42	35	95
Liu et al[38]	2020	China	0	24-28 wk	25.1	LST 008	14.2%	261	66	76	20	99
Ma et al[53]	2010	China	45.4	53.1	24.2	Lucica GA-L, Japan	17.1%	1971	580	281	175	935
Pimentel et al[40]	2020	Brazil	53.0	46.1	26.0	GlycoGap, Diazyme Laboratories	16.5%	134	17	16	16	85
Shima et al[54]	1989	Japan	83.3	47.7	Not given	HPLC	21.6%	302	40	21	9	232
Su et al[46]	2018	China	46.7	50.5	24.7	Lucica GA-L, Japan	16.3%	691	226	59	109	297
Su et al[45]	2019	China	46.2	50.4	24.7	Lucica GA-L, Japan	17.1%	701	190	40	160	311
Tommerdah et al[44]	2019	United States	41.0	14.2	−0.023	Lucica GA-L, Japan	14.0%	58	2	5	7	44
Wang et al[41]	2020	China	69.5	36.0	20.6	Not given	14.6%	210	12	24	9	165
Wu et al[33]	2016	Taiwan	40.0	50.4	24.3	Lucica GA-L, Japan	15.0%	1559	98	208	34	1219
Zemlin et al[43]	2019	South Africa	25.8	47.8	28.7	Werfen, Italy	14.9%	1294	62	77	32	1123
Zhang et al[50]	2014	China	49.5	50.2	25.0	Lucica GA-L, Japan	16.6%	392	94	33	37	228
Zheng[51]	2012	China	52.7	51.9	Not given	Enzymatic method, Japan	17.5%	509	223	16	95	175
Zhuang et al[39]	2019	China	0	24-28 wk	20.6	Colorimetric method	11.5%	357	145	94	41	77
Hwang et al[49]	2014	South Korea	58.5	52.5	24.8	Lucica GA-L, Japan	14.3%	852	210	63	106	473

¹Data are expressed as the median.

²Data are expressed as gestational weeks.

³Data are expressed as BMI z-score.

BMI: Body mass index; TP: True positive value; TN: T negative value; FP: F positive value; FN: F negative value.