Table 4. Comparison of baseline and follow up RV longitudinal strain rate parameters.

Strain rate (S⁻¹)	Pre PBMV (A)	Post PBMV 48 hours (B)	P value (A vs B)	Post PBMV 15 days (C)	P value (A vs C)
Basal septum	-1.18±0.79	-1.20±.0.99	0.623	-1.22±0.86	0.568
Mid septum	-1.09±1.33	-1.11±1.42	0.551	-1.06±0.89	0.492
Apical septum	-0.99±0.48	-1.02±0.86	0.359	-1.03±0.59	0.321
Basal RV FW	-2.87±1.87	-3.01±1.96	0.456	-3.21±2.12	0.412
Mid RV FW	-3.31±2.17	-3.09±1.87	0.562	-3.12±1.98	0.608
Apical RV FW	-1.53±1.42	-1.44±1.51	0.484	-1.49±1.15	0.521

Abbreviations: RV FW, Right ventricle free wall.

Paired Student’s t test. *indicates significant P value (P≤0.05).