Table 3

Perioperative Efficacy and Safety of Revascularization

Procedural success
 Initial technical success93.2 (89.2–95.9)
Pre- and post-operative pain
 Presence of pain before revascularization84.0 (80.4–89.4)
 Presence of pain after revascularization31.0 (25.1–36.5)
Perioperative complication (n = 551)
 Total25.0 (20.0–30.4)
 Perioperative death2.0 (0.5–4.0)
 Stent occlusion1.0 (0.4–2.2)
 Distal embolism0.3 (0.0–1.0)
 Local infection6.2 (3.0–8.8)
 Local bleeding3.5 (1.8–6.2)
 Requirement of dialysis3.6 (1.3–5.7)
 Stroke3.5 (0.8–5.8)
 Ischemic heart attack0.3 (0.0–0.8)
 Pneumonia4.8 (2.5–8.0)
 Others5.6 (2.5–7.9)

Values are weighted prevalence, % (95% confidence interval), in the matched cases of the revascularization group who underwent revascularization.