Table 4. The association between age, age at symptoms onset, and age at diagnosis, and delay in diagnosis with AS, PsA, and EnA patients (independent t-test).

AS: ankylosing spondylitis; PsA: psoriatic arthritis; EnA: enteropathic arthritis.

	AS and PsA	AS and EnA	EnA and PsA
	P-value	P-value	P-value
Age	0.196	0.305	0.089
Age at symptoms onset	0.058	0.411	0.082
Age at diagnosis	0.39	0.049	0.029
Delay in diagnosis	0.048	0.0001	0.475