[Retracted] Analysis of Risk Factors for Rheumatoid Arthritis in Yunnan: A Small-Scale Case-Control Study

Table 1

The results of univariate analysis of RA risk (n (%)).

Index	RA patients (n = 249)	Controls (n = 149)	χ^2 value	P value
Age (years)
<60	173 (69.48)	122 (81.88)	7.474	0.006
≥60	76 (30.52)	27 (18.12)
Sex
Male	73 (29.32)	43 (28.86)	0.009	0.922
Female	176 (70.68)	106 (71.14)
Hypertension
Yes	56 (22.49)	10 (6.71)	16.777	<0.001
No	193 (77.51)	139 (93.29)
Diabetes mellitus
Yes	42 (16.87)	9 (6.04)	9.781	0.002
No	207 (83.13)	140 (93.96)

RA, rheumatoid arthritis.