Table 1. Baseline clinical characteristics of enrolled patients (n=5,250).
| Characteristics | Overall | ||
|---|---|---|---|
| Age (yr) | 67.4±9.9 | ||
| Male sex | 3,892 (74.1) | ||
| BMI (kg/m2) | 24.6±3.3 | ||
| BMI classification | |||
| Underweight (<18.5 kg/m2) | 138 (2.6) | ||
| Normal weight (18.5–22.9 kg/m2) | 1,501 (28.6) | ||
| Overweight (23.0–24.9 kg/m2) | 1,423 (27.1) | ||
| Obese | |||
| Class I obesity (25.0–29.9 kg/m2) | 1,891 (36.0) | ||
| Class II obesity (30.0–34.9 kg/m2) | 269 (5.1) | ||
| Class III obesity (≥35.0 kg/m2) | 28 (0.5) | ||
| Patients with synchronous lesions* | 196 (3.7) | ||
Values are shown as the mean ± standard deviation or number (%). Data are presented on a patient basis. Each patient was counted once regardless of the number of lesions or procedures.
BMI = body mass index.
*Among patients with synchronous lesions, the number of lesions was 2 in 182 patients, 3 in 11 patients, and 4 in 3 patients.