[Retracted] Construction of Rheumatoid Arthritis Risk Prediction and Medical Image Applications from Rheumatoid Factor Levels

Table 2

Comparison of rheumatoid factor levels between RA patients and controls.

Index	RA ()	Control ()	value	value
RF_IgA [ (%)]			69.940	<0.001
Positive	135 (54.22)	18 (12.08)
Negative	114 (45.78)	131 (87.92)
RF_IgG [ (%)]			73.357	<0.001
Positive	125 (50.20)	12 (8.05)
Negative	124 (49.80)	137 (91.95)
RF_IgM [ (%)]			91.255	<0.001
Positive	148 (59.44)	16 (10.74)
Negative	101 (40.56)	133 (89.26)

RA: rheumatoid arthritis;. RF: rheumatoid factor.