Table 2.
Quality of life summary scores, arterial pressure indices and walking capacity at baseline and follow-up
| All participants (n = 171) | Conservative treatment (n = 68) | Invasive treatment (n = 73) | No follow-up (n = 30) | |||||
|---|---|---|---|---|---|---|---|---|
| Baseline | Baseline | Follow-up | Baseline | Follow-up | Baseline | |||
| Mean (95% CI) | Mean (95% CI) | Mean (95% CI) | p | Mean (95% CI) | Mean (95% CI) | p | Mean (95% CI) | |
| VQ-6 sum | 12.7 (12.2–13.3) | 13.6 (12.8–14.4) | 15.2 (14.3–16.1) | 0.001 b | 12.1 (11.4–12.8) | 19.6 (15.8–18.0) | 0.001 b | 12.4 (10.7–14.0) |
| SF-36 PCS | 33 (32–34) | 35 (33–36) | 38 (36–40) | 0.001 b | 32 (30–33) | 40 (37–42) | 0.001 b | 32 (30–35) |
| SF-36 MCS | 48 (47–50) | 51 (48–53) | 48 (45–51) | 0.470 b | 48 (45–51) | 48 (46–51) | 0.780 b | 45 (40–50) |
| ABIa | 0.62 (0.59–0.65) | 0.65 (0.62–0.69) | 0.67 (0.63–0.71) | 0.394 b | 0.57 (0.52–0.62) | 0.76 (0.71–0.82) | 0.001 b | 0.64 (0.57–0.72) |
| ABI pea | 0.47 (0.43–0.51) | 0.55 (0.50–0.60) | 0.53 (0.47–0.59) | 0.597 b | 0.36 (0.29–0.43) | 0.67 (0.60–0.75) | 0.001 b | 0.54 (0.42–0.67) |
| Median (IQ) | Median (IQ) | Median (IQ) | Median (IQ) | Median (IQ) | Median (IQ) | |||
| ICD | 87 (46–133) | 100 (55–159) | 107 (10–600) | 0.036 c | 62 (40–100) | 110 (0–295) | 0.001 c | 110 (53–145) |
| MWD | 400 (164–410) | 410 (260–418) | 410 (30–650) | 0.066 c | 233 (110–400) | 403 (30–570) | 0.001 c | 410 (240–420) |
VQ-6 –Vascular Quality of Life Questionnarie-6, SF-36 –Short Form-36, PCS –Physical component summary score, MCS –Mental component summary score, ABI -ankle-brachial index, pe –postexercise, ICD –intermittent claudication distance, MWD –maximum walking distance, IQ –interquartile range (25th–75th percentile)
aSymptomatic leg
bTwo-tailed t-test for normally distributed data, p < 0.05 was regarded significant
cWilcoxon signed rank test for non-normally distributed data, p < 0.05 was regarded significant