Sex-specific disparities in disease activity scores among patients with axial spondyloarthritis and their implications for evaluating the response to tumor necrosis factor alpha inhibitor therapy

Table 4 Comparison of differences between sexes when TNFi response was assessed using BASDAI and ASDAS

Outcome	Treatment responses	Total	Male	Female	p-value
BASDAI criterion		n = 1699	n = 1302	n = 397	0.147
	Responder	1213 (71.39)	941 (72.27)	272 (68.51)
	Non-responder	486 (28.61)	361 (27.73)	125 (31.49)
ASDAS criterion		n = 1653	n = 1262	n = 391	0.317
	Responder	1187 (71.81)	914 (72.42)	273 (69.82)
	Non-responder	466 (28.19)	348 (27.58)	118 (30.18)

Statistical comparisons were made using the Chi-square test.
BASDAI Bath Ankylosing Spondylitis Disease Activity Score, ASDAS Ankylosing Spondylitis Disease Activity Score.
BASDAI criterion: If BASDAI decreases by 50% or more of the baseline, or by two or more, the patient was classified as a responder.
ASDAS criterion: If ASDAS decreases by 1.1 or more of the baseline, the patient was classified as a responder.

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