Table 1.

Age at enrolment, age at diagnosis, and the duration of the disease in the study group and subgroups.

	Overall	Primary APS	Secondary APS	p-Values
Mean age at enrolment	44.94 ± 11.60 years	42.73 ± 11.00 years	46.52 ± 11.88 years	0.168
Mean age at diagnosis	38.78 ± 11.74 years	39.9 ± 10.97 years	37.98 ± 12.34 years	0.489
Duration of the disease	3 (1–29) years	2.87 ± 2.11 years	8.55 ± 7.36 years	<0.001

Data are presented as mean ± standard deviation or as median (minimum–maximum), according to their parametric or non-parametric features.