Table 3.
Median values of daily remote monitoring transmissions in period I (1 month pre-lockdown) and II (1 month post-lockdown) in patients aged <70 years (n = 81) and aged ≥70 years (n = 99)
| Patients aged < 70 years | Patients aged ≥ 70 years | |||||
|---|---|---|---|---|---|---|
| Period I (1 month pre-lockdown) | Period II (1 month post-lockdown) | p value | Period I (1 month pre-lockdown) | Period II (1 month post- lockdown) | p value | |
| RM daily transmission rate (%) | 97.0 (88.5–100) | 97.0 (95.5–100) | 0.109 | 97.0 (93.0–100) | 97.0 (97.0–100) | 0.177 |
| Physical activity (%) | 16.1 (10.8–21.6) | 11.4 (8.6–15.2) | < 0.001 | 10.6 (6.7–16.2) | 8.2 (4.5–11.7) | < 0.001 |
| Thoracic impedance (ohm) | 74.5 (66.5–78.8) | 75.2 (69.0–79.5) | < 0.001 | 73.8 (66.3–80.5) | 74.6 (66.7–82.0) | 0.013 |
| Mean heart rate (bpm) | 71.3 (65.1–78.8) | 68.1 (62.8–76.8) | < 0.001 | 67.2 (63.2–73.8) | 67.8 (62.0–74.0) | < 0.001 |
| Resting heart rate (bpm) | 60.2 (52.2–67.9) | 58.0 (52.1–66.1) | < 0.001 | 60.0 (54.6–65.4) | 60.0 (54.7–67.2) | 0.402 |
| Frequency of PVCs (n/hour) | 0.4 (0–40.5) | 0.1 (0–31.6) | 0.365 | 5.7 (0–68.7) | 1.6 (0.1–68.4) | 0.448 |
| Atrial pacing percentage (%) | 8.9 (0.1–23) | 10.8 (0.4–30.7) | 0.012 | 23.1 (0.5–57.8) | 18.3 (0.6–56.6) | 0.815 |
| Right ventricular pacing percentage (%) | 0.3 (0–4.6) | 0.3 (0–4.4) | 0.696 | 11.1 (0.2–97.2) | 10.5 (0.3–96.4) | 0.946 |
| CRT pacing percentage (%) | 96.0 (95.1–99.8) | 98.7 (93.6–100) | 0.528 | 98.6 (94.7–99.9) | 98.9 (96.7–100) | 0.048 |
| PP variability (ms) | 93.9 (69.1–114.7) | 89.9 (71.6–112.7) | 0.120 | 70.1 (36.5–86.7) | 70.9 (38.1–88.9) | 0.673 |
| Number of patients with AF episodes n (%) | 7 (11.9) | 9 (15.2) | 0.591 | 11 (16.7) | 10 (15.1) | 0.812 |
| 24 h AF burden*(%) | 99.9 (0.4–100) | 99.9 (4.4–100) | 0.048 | 100 (17.5–100) | 100 (4.1–100) | 0.723 |
| Number of patients with ATP n (%) | 1 (1.3) | 1 (1.3) | 1.000 | 2 (2.1) | 2 (2.1) | 1.000 |
| Number of patients with shock, n (%) | 1 (1.3) | 2 (2.5) | 0.560 | 0 (0) | 3 (1.0) | 0.316 |
Data are shown as median (interquartile range) and n (%) for binary variables
RM remote monitoring, PVC pre-ventricular contraction, CRT cardiac resynchronization therapy, AF atrial fibrillation, ATP anti-tachycardia pacing
aConsidering only patients with at least one AF episode