Table 1.
Baseline characteristics and US characteristics of pancreatic lesions-entire cohort (general model and PSM model)1
| Characteristics | General model | PSM model | ||||
|---|---|---|---|---|---|---|
| EUS-guided biopsy (n = 444) | US-guided biopsy (n = 2139) | P value | EUS-guided biopsy (n = 402) | US-guided biopsy (n = 402) | P value | |
| Baseline characteristics | ||||||
| Ages, median (IQR), y | 65 (14) | 65 (13) | 0.921 | 64 (14) | 64 (11) | 0.252 |
| Sex, male | 208/444 (63.1%) | 1249/2139 (58.4%) | 0.071 | 245 (60.9%) | 229 (57.0%) | 0.282 |
| BMI, median (IQR), kg/m2 | 20.97 (4.52) | 21.48 (3.97) | 0.02 | 21.05 (4.54) | 21.07 (4.18) | 0.922 |
| US characteristics of the pancreatic lesion | ||||||
| Tumor size < 2 cm, No (%) | 137 (30.9%) | 154 (7.2%) | <0.001 | 100 (24.9%) | 102 (25.4%) | 0.935 |
| Exophytic and backward growth morphology, No (%) | 82 (18.5%) | 80 (3.7%) | <0.001 | 56 (13.9%) | 54 (13.4%) | 0.918 |
| Tumor location | <0.001 | 0.564 | ||||
| Head, No (%) | 129 (29.1%) | 585 (27.3%) | 118 (29.4%) | 110 (27.4%) | ||
| Uncinate process, No (%) | 63 (14.2%) | 417 (19.5%) | 58 (14.4%) | 74 (18.4%) | ||
| Neck, No (%) | 49 (11.0%) | 239 (11.2%) | 47 (11.7%) | 39 (9.7%) | ||
| Body, No (%) | 70 (15.8%) | 588 (27.5%) | 64 (15.9%) | 64 (15.9%) | ||
| Tail, No (%) | 133 (30.0%) | 310 (14.5%) | 115 (28.6%) | 115 (28.6%) | ||
1.
EUS: endoscopic ultrasound, US: ultrasound, PSM: propensity score matching, IQR: interquarterly range, BMI: body mass index.