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Table 5 Biomarker levels at baseline in escape and non-escape patients. Patients with inadequate response to the therapy went to escape at week 12. The levels and proportions were compared by Mann-Whitney testa or Chi-squared testb

From: Tissue metabolite of type I collagen, C1M, and CRP predicts structural progression of rheumatoid arthritis

Variable

Escape patients

Non-escape patients

Mean (SD)

n

No biomarker high and very high patients (%)

Mean (SD)

Pa

n

No biomarker high and very high patients (%)

Pb

C1M

119 (93)

181

102 (56%)

57 (32%)

93 (69)

0.0019

293

135 (46%)

61 (21%)

0.030

0.0091

C3M

35.2 (15.3)

181

93 (51%)

52 (29%)

33.4 (14.7)

> 0.1

293

144 (49%)

66 (23%)

> 0.1

> 0.1

RF

233 (362)

181

141 (78%)

79 (44%)

227 (422)

> 0.1

293

239 (82%)

118 (40%)

> 0.1

> 0.1

CRP

20.4 (26.2)

181

102 (56%)

61 (34%)

12.6 (16.6)

0.0009

293

132 (45%)

57 (20%)

0.017

0.0001