Table 2.
Echocardiographic studies
| Normal range | PHPT Mean ± sd | Controls Mean ± sd | Within-pair difference ± sd | P value Within-pair difference | P value Within-pair differencea | |
|---|---|---|---|---|---|---|
| Early to late mitral annular velocity (E/A) | 0.75–1.5 | 1.1 ± 0.3 | 0.9 ± 0.3 | 0.13 ± 0.40 | 0.0007 | 0.03 |
| Tissue Doppler e′ (mm) | ≥7 | 11.3 ± 2.6 | 9.6 ± 2.7 | 1.41 ± 3.63 | 0.0005 | 0.006 |
| LVMI (g/m2) | ≤108 for women | 98 ± 23 | 96 ± 24 | 2.8 ± 31.7 | 0.69 | 0.44 |
| ≤131 for men |
a
Comparison adjusted for body mass index, hypertensive, diabetic and hypercholesterolemic status.