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Table 4 Long-term treatment outcomes

From: Prevalence of venous obstructions in (recurrent) venous thromboembolism: a case-control study

  Recurrent VTE
N = 32
No recurrent VTE
N = 24
Total
N = 56
Odds ratio (95% CI)
Villalta score [15] 5.55 ± 3.02 5.26 ± 2.63 5.43 ± 2.84
 - Subjective score 1.63 ± 1.43 2.22 ± 2.30 1.87 ± 1.85
 - Objective score 4.03 ± 3.07 3.08 ± 1.74 3.62 ± 2.60
Post-Thrombotic syndromea [15, 17] 20 (62.5) 14 (58.3) 34 (60.7) 1.19 (0.40–3.51)
 - None (0–4) 11 (34.4) 9 (37.5) 20 (35.7) 0.87 (0.29–2.63)
 - Mild (5–9) 17 (53.1) 11 (45.8) 28 (50.0) 1.34 (0.46–3.87)
 - Moderate (10–14) 3 (9.4) 3 (12.5) 6 (10.7) 0.72 (0.13–3.95)
 - Severe (≥15 or venous ulceration) 0 (0.0) 0 (0.0) 0 (0.0) 0.75 (0.01–39.3)
 - Missing 1 (3.1) 1 (4.2) 2 (3.6) 0.74 (0.04–12.5)
SF-36b − Reported health transition 51.7 ± 18.5 52.1 ± 14.6 51.9 ± 16.7
VEINES QOL/Symc 49.5 ± 11.1 51.5 ± 8.2 50.4 ± 9.9
VEINES QOL/Sym, intrinsic scored 71.3 ± 14.8 72.4 ± 12.2 71.8 ± 13.6
  1. Data are n (%) or mean ± SD
  2. None of the variables mentioned in this table showed statistical significant difference between groups
  3. VTE Venous thrombo-embolism
  4. a Post-thrombotic syndrome was defined according to the definition stated by the International Society of Thrombosis and Haemostasis. This definition requires a single Villalta-score ≥ 5 assessed at 6 months or more after the acute venous thrombo-embolic event [17]
  5. bThe SF-36 is a questionnaire aimed at the generic health-related quality of life as reported by the patients. It comprises 36 questions covering 8 different health-related dimensions: Physical functioning, Role limitations due to physical health, Role limitations due to emotional health, Energy/Fatigue, Emotional well-being, Social functioning, Bodily pain, and General health perceptions [18]
  6. cThe VEINES QOL/SYM is a questionnaire addressing the disease-specific self-reported quality of life in DVT patients. It entails 25 questions regarding the limitations, symptoms, and changes encountered as a result of the acute thromboembolic event. The final summarizing score is adapted to the study population [19, 20]
  7. dBy using the method by Bland et al. [21] the VEINES QOL/SYM summarizing score can be transformed into an intrinsic score which allows comparison to other quality of life scores