Table 1 Characteristics of the study population at baseline and follow-up
From: Impact of heart rate variability, a marker for cardiac health, on lupus disease activity
Number of patients | Baseline (n = 53) | Follow-up (n = 53) | p Values |
|---|---|---|---|
Disease activity, median (IQR) | |||
 SLEDAI | 6 (4–9) | 4 (2–6) | <0.001 |
 BILAG | 9 (8–16) | 2 (1–15) | <0.001 |
 PGA | 1.5 (1.2–1.8) | 0.9 (0.6–1.4) | <0.001 |
Medications, n (%) | |||
 HCQ | 35 (66) | 36 (68) | 1.000 |
 AZA | 9 (17) | 8 (15) | 1.000 |
 MTX | 10 (19) | 15 (28) | 0.360 |
 MMF | 11 (21) | 10 (19) | 1.000 |
 CS | 13 (25) | 12 (23) | 1.000 |
Parameters affecting HRV, n (%) | |||
 Tobacco exposure | 14 (26) | 16 (30) | 0.829 |
 Caffeine | 27 (51) | 30 (57) | 0.697 |
 Medications ↑HRV | 12 (23) | 11 (21) | 1.000 |
 Medications ↓HRV | 13 (25) | 11 (21) | 0.816 |