Warfarin, n=95 | DOACs, n=204 | ||||||
---|---|---|---|---|---|---|---|
Median | Range | IQR | Median | Range | IQR | p | |
Time from referral to DCCV, months | 5 | 2–24 | 3–6 | 4 | 1–12 | 3–6 | 0.002 |
GP visits, n | 6 | 3–20 | 4–9 | 1 | 1 | 1–1 | <0.001 |
UHS visits, n | 4 | 2–6 | 4–5 | 4 | 2–6 | 3–4 | 0.003 |
Total distance travelled, km | 51.86 | 10.65–343.80 | 34.63–99.7 | 38.80 | 5.95–316.75 | 21.96–83 | <0.001 |
Coagulation studies, n | 6 | 4–26 | 5–11 | 1 | 1–1 | 1–1 | <0.001 |
Travel-related CF, kgCO2e | 12.58 | 2.58–83.37 | 8.38–24.18 | 9.41 | 1.44–76.8 | 5.32–20.13 | <0.001 |
Total CF, kgCO2e | 85.49 | 52.07–185.55 | 67.39–97.29 | 58.16 | 38.26–120.98 | 64.17–47.81 | <0.0001 |
CO2e expressed as equivalent car travel for the whole care pathwaya | 534 | 325–1160 | 363 | 239–756 |
↵aEquivalent car distance travelled assumes 160 gCO2/km. CF = carbon footprint; DOAC = direct acting oral anticoagulant; DCCV = direct current cardioversion; GP = general practitioner; IQR = interquartile range; kgCO2e = kg carbon dioxide equivalence; UHS = University Hospital Southampton NHS Foundation Trust.