Table 3. Worldwide prevalence (95% CI) of metabolic syndrome in rheumatoid arthritis patients compared to healthy controls.

First Author	Country	Criteria	DOP	Gender	N. RA Patients						N. Healthy Controls						Reference
					Mean Age	Age Range	Male	Female	Total		Mean Age	Age Range	Male	Female	Total
									N.	MetS Prev. (%)					N.	MetS Prev. (%)
Lee SH	Korea	AHA/NHLBI	2016	Both	63.6	-	110	488	598	36.45	58.4	-	8114	11181	19295	34.45	[37]
Muller R	Estonia	NCEP-ATP III	2016	Both	51.6	-	66	25	91	35.16	51.5	-	75	198	273	34.06	[33]
Dihingia P	India	NCEP-ATP III	2016	Both	41.5	-	6	66	72	16.66	-	-	-	-	72	6.94	[39]
Parra-Salcedo F	Mexico	AHA/NHLBI	2015	Both	38.1	-	18	142	160	28.12	38.0	-	18	142	160	4.81	[43]
Parra-Salcedo F	Mexico	IDF	2015	Both	38.1	-	18	142	160	18.12	38.0	-	18	142	160	4.18	[43]
Parra-Salcedo F	Mexico	NCEP-ATP III	2015	Both	38.1	-	18	142	160	23.75	38.0	-	18	142	160	4.31	[43]
Bilecik NA	Turkey	IDF	2014	Female	52.0	24–65	0	100	100	33.0	51.0	27–65	0	100	100	44.0	[44]
Bilecik NA	Turkey	NCEP-ATP III	2014	Female	52.0	24–65	0	100	100	27.0	51.0	27–65	0	100	100	28.0	[44]
Özmen M	Turkey	NCEP-ATP III	2014	Both	51.0	-	15	37	52	17.30	48.0	-	9	21	30	6.60	[45]
Özmen M	Turkey	WHO	2014	Both	51.0	-	15	37	52	28.84	48.0	-	9	21	30	10.0	[45]
Kumar BS	India	IDF	2014	Both	46.0	-	6	48	54	31.48	45.4	-	6	48	54	24.07	[46]
Kumar BS	India	NCEP-ATP III	2014	Both	46.0	-	6	48	54	29.62	45.4	-	6	48	54	22.22	[46]
Abourazzak FE	Morocco	IDF	2014	Both	49.0	-	22	157	179	30.72	51.0	-	23	126	149	5.36	[26]
Abourazzak FE	Morocco	NCEP-ATP III	2014	Both	49.0	-	22	157	179	29.05	51.0	-	23	126	149	5.36	[26]
Abourazzak FE	Morocco	AACE 2003	2014	Both	49.0	-	22	157	179	24.58	51.0	-	23	126	149	7.38	[26]
Salinas MJH	Argentina	ATP III	2013	Both	55.5	-	69	340	409	30.31	57.3	-	103	521	624	39.90	[47]
Salinas MJH	Argentina	IDF	2013	Both	55.5	-	69	340	409	35.45	57.3	-	103	521	624	40.54	[47]
Chung CP	Usa	NCEP-ATP III	2008	Both	59.0	43–59	18	48	66	42.42	52.0	44–58	30	55	85	22.35	[29]
Dao HH	Vietnam	WHO	2010	Female	56.3	26–73	0	105	105	19.04	55.7	25–72	56	49	105	12.35	[57]
Dao HH	Vietnam	IDF	2010	Female	56.3	26–73	0	105	105	40.95	55.7	25–72	56	49	105	22.85	[57]
Dao HH	Vietnam	NCEP-ATP III	2010	Female	56.3	26–73	0	105	105	24.76	55.7	25–72	56	49	105	14.28	[57]
Dao HH	Vietnam	NCEP-ATP III	2010	Female	56.3	26–73	0	105	105	32.38	55.7	25–72	56	49	105	18.09	[57]
Dao HH	Vietnam	EGIR	2010	Female	56.3	26–73	0	105	105	16.19	55.7	25–72	56	49	105	10.47	[57]
Dao HH	Vietnam	JS2009	2010	Female	56.3	26–73	0	105	105	32.38	55.7	25–72	56	49	105	18.09	[57]
Karimi M	Iran	NCEP-ATP III	2011	Both	48.3	-	-	-	92	27.17	42.2	-	-	-	96	35.41	[22]
Rostam S	Morocco	WHO	2013	Both	49.0	-	10	110	120	20.00	48.5	-	10	90	100	14.00	[49]
Rostam S	Morocco	IDF	2013	Both	49.0	-	10	110	120	48.60	48.5	-	10	90	100	23.00	[49]
Rostam S	Morocco	NCEP-ATP III	2013	Both	49.0	-	10	110	120	24.16	48.5	-	10	90	100	16.00	[49]
Rostam S	Morocco	NCEP-ATP III	2013	Both	49.0	-	10	110	120	32.50	48.5	-	10	90	100	18.0	[49]
Rostam S	Morocco	EGIR	2013	Both	49.0	-	10	110	120	18.33	48.5	-	10	90	100	12.00	[49]
Rostam S	Morocco	JS2009	2013	Both	49.0	-	10	110	120	32.50	48.5	-	10	90	100	18.0	[49]
Crowson CS	Usa	NCEP-ATP III	2011	Both	58.8	-	58	174	232	32.75	63.9	-	560	681	1241	25.46	[31]
Cunha VR da	Brazil	NCEP-ATP III	2012	Both	56.8	-	50	233	283	39.22	44.5	-	34	192	226	19.46	[53]
Giles JT	Usa	NCEP-ATP III	2010	Both	61.0	-	51	80	131	35.87	63.0	-	70	51	121	25.61	[60]
Sahebari M	Iran	NCEP-ATP III	2011	Both	45.5	-	14	106	120	45.0	45.6	-	69	431	500	53.8	[55]
Sahebari M	Iran	IDF	2011	Both	45.5	-	14	106	120	30.83	45.6	-	69	431	500	34.2	[55]
Karakoc M	Turkey	IDF	2012	Both	49.7	-	7	47	54	42.59	47.0	-	43	9	52	9.61	[51]
Santos MJ	Portugal	ATP III	2010	Female	49.2	-	0	98	98	24.48	47.7	-	0	102	102	15.68	[61]
Mok CC	Hong Kong	JS2009	2011	Both	53.3	-	133	566	699	19.59	52.9	-	266	1132	1398	19.88	[56]