Table 2. Characteristics of the study population according to age group, gender, age, and presence or absence of LVH on echocardiography.
| Criteria for LVH | GI (< 60 years) | GII (60-79 years) | GIII (≥ 80 years) | |||
|---|---|---|---|---|---|---|
| Sensitivity | Specificity | Sensitivity | Specificity | Sensitivity | Specificity | |
| (95%CI) | (95%CI) | (95%CI) | (95%CI) | (95%CI) | (95%CI) | |
| Perugia | 32.2 | 91.7 | 35.6 | 88.5 | 44.7 | 89.3 |
| (27.3-37.1) | (89.8-93.3) | (31.1-40.5) | (85.9-90.6) | (30.1-60.2) | (77.4-95.3) | |
| (Rmax + Smax) x duration | 33.8 | 88.9 | 32.4 | 88.9 | 39.4 | 91.3 |
| (29.0-38.9) | (86.7-90.8) | (28.0-37.1) | (86.4-91.0) | (25.6-55.2) | (79.6-96.5) | |
| Peguero-Lo Presti | 20.2 | 96.6 | 17.8 | 96.7 | 34.2 | 89.3 |
| (16.3-24.7) | (95.2-97.6) | (14.3-21.9) | (95.1-97.8) | (21.2-50.1) | (77.4-95.3) | |
| Narita | 39.6 | 89.3 | 38.1 | 87.5 | 26.3 | 91.4 |
| (34.5-44.8) | (87.2-91.2) | (33.5-43.0) | (84.8-89.7) | (14.9-42.0) | (80.0-96.6) | |
| Romhilt-Estes | 16.1 | 96.4 | 14.5 | 95 | 21 | 93.6 |
| (12.6-20.4) | (95.0-97.4) | (11.4-18.3) | (93.1-96.4) | (11.0-36.3) | (82.8-97.8) | |
| Cornell's voltage [≥ 28 mm (m); ≥ 20mm (f)] | 18.2 | 97.1 | 17.3 | 90.6 | 21 | 91.4 |
| (14.5-22.6) | (95.9-98.0) | (13.9-21.3) | (88.3-92.5) | (11.0-36.3) | (80.0-96.6) | |
| Sokolow-Lyon voltage (≥ 30 mm) | 23.7 | 92.1 | 20.8 | 92.6 | 21 | 93.6 |
| (19.5-28.4) | (90.1-93.6) | (17.1-25.1) | (90.4-94.3) | (11.0-36.3) | (82.8-97.8) | |
| Sokolow-Lyon voltage (≥ 35 mm) | 14.7 | 97.1 | 12 | 97.1 | 15.7 | 97.8 |
| (11.3-18.8) | (95.9-98.0) | (9.2-15.6) | (95.6-98.1) | (7.4-30.4) | (88.8-99.6) | |
| Cornell's voltage duration (≥ 2440 mm.ms) | 20.5 | 96.1 | 20.1 | 95.3 | 21 | 91.4 |
| (16.6-25.0) | (94.6-97.1) | (16.4-24.3) | (93.5-96.6) | (11.0-36.3) | (80.0-96.6) | |
| Gubner-Ungerleider (≥ 25 mV) | 18.5 | 97.2 | 16 | 97 | 15.7 | 93.6 |
| (14.7-22.9) | (96.0-98.1) | (12.8-20.0) | (95.4-98.0) | (7.4-30.4) | (82.8-97.8) | |
| RaVL (≥ 11 mm) | 11.8 | 96.6 | 12.3 | 95.8 | 15.7 | 93.6 |
| (8.8-15.6) | (95.2-97.6) | (9.4-15.9) | (94.1-97.1) | (7.4-30.4) | (82.8-97.8) | |
| V6/V5(> 1) | 15.3 | 88.1 | 14 | 90 | 13.1 | 87.2 |
| (11.9-19.4) | (86.9-90.1) | (11.0-17.8) | (87.6-92.0) | (5.7-27.3) | (74.8-94.0) | |
| RaVL x duration | 8.9 | 98.2 | 11.8 | 97.5 | 7.8 | 97.8 |
| (6.3-12.4) | (97.2-98.9) | (9.0-15.3) | (96.1-98.4) | (2.7-20.8) | (88.8-99.6) | |
LVH: left ventricular hypertrophy. Note: Values of sensitivity and specificity are expressed with their respective 95% confidence intervals (95%CIs), using the McNemar's statistical test.