Table 3. Right ventricle STE parameters of the study population.

Variables	Control group (n = 70)	AS group (n = 64)	p value
Systolic pulmonary artery pressure	18.5 ± 3.5	19.3 ± 3.8	< 0.001
RV-FWLs	18.5 ± 2.0	16.6 ± 2.9	< 0.001
RV-Ssr (/s)	1.4 ± 0.5	1.2 ± 0.2	< 0.001
RV-Esr (/s)	1.3 ± 0.7	1.2 ± 0.1	< 0.001
RV-Asr (/s)	1.5 ± 0.5	1.1 ± 0.2	< 0.001
RV-Esr/RV-Asr ratio	0.98 ± 0.45	1.12 ± 0.32	< 0.001

AS, ankylosing spondylitis; FWLs, free wall longitudinal strain; RV, right ventricular; RV-Asr, RV-free wall longitudinal late diastolic strain rate; RV-Esr, RV-free wall longitudinal early diastolic strain rate; RV-Ssr, RV-free wall longitudinal systolic strain rate.