Prediction of risk of ischemic heart disease in first-diagnosed systemic lupus erythematosus patients in taiwan: is air pollution exposure a risk factor?

Table 4 The HR of development to IHD in the SLE group under air pollution (N = 4842)

		Parameter Estimate	SE	Chi-Square	HR	95% HR Confidence
Sex	Male	0.59724	0.17771	11.2947*	1.817	1.283, 2.574
	Female (ref)				1
Age		0.10032	0.0068	217.62*	1.106	1.091, 1.12
DM	yes	-0.15135	1.01579	0.0222	0.86	0.117, 6.294
	no(ref)				1
HT	yes	0.33328	0.46448	0.5149	1.396	0.562, 3.468
	no(ref)				1
HL	yes	0.19407	0.23181	0.7009	1.214	0.771, 1.912
	no(ref)				1
SS	High	0.56996	1.00916	0.319	1.768	0.245, 12.78
	Low(ref)				1
CO	high	2.56001	0.51353	24.8512*	12.936	4.728, 35.393
	low(ref)				1
NO₂	high	3.89938	0.43186	81.5272*	49.372	21.178, 115.101
	low(ref)				1
O₃	high	-0.0731	0.04957	2.1761	0.929	0.843, 1.024
	low(ref)				1
PM₁₀	high	4.19263	0.51048	67.4557*	66.197	24.34, 180.035
	low(ref)				1
PM_2.5	high	3.54241	0.39236	81.5125*	34.55	16.013, 74.546
	low(ref)				1
SO₂	high	0.0304	0.19678	0.0239	1.031	0.701, 1.516
	low(ref)				1

h: Hazard ratio SE: Standard error *p < 0.01
SLE: Systemic Lupus Erythematosus IHD: Ischemic heart disease DM: Diabetes Mellitus
HT: Hypertension HL: Hyperlipidemia SS: Socioeconomic status
CO: carbon monoxide NO₂: nitrogen dioxide O₃: ozone
PM₁₀: particulate matter 10 PM_2.5: particulate matter 2.5 SO₂: sulfur dioxide

ISSN: 2520-1026