Table 1.
Baseline clinical characteristics: before and after matching.
| Before matching | After matching | ||||||
|---|---|---|---|---|---|---|---|
| EUS-EA group (n = 118) | NC group (n = 428) | p value | EUS-EA group (n = 84) | NC group (n = 84) | p value | ||
| Age (years) | 55.69 ± 13.27 | 61.94 ± 10.82 | <0.001 | 57.43 ± 12.69 | 58.24 ± 12.80 | 0.681 | |
| Sex | Male | 42 | 174 | 0.320 | 30 | 29 | 0.872 |
| Female | 76 | 254 | 54 | 55 | |||
| Comorbidity | No | 55 | 203 | 0.001 | 40 | 40 | 0.153 |
| Mild | 45 | 104 | 33 | 21 | |||
| Moderate | 16 | 68 | 10 | 13 | |||
| Severe | 2 | 53 | 1 | 4 | |||
| Initial size (mm) | 26.76 ± 12.01 | 15.61 ± 9.62 | <0.001 | 23.13 ± 11.11 | 22.97 ± 12.00 | 0.927 | |
| Size | <10 mm | 6 | 107 | <0.001 | 6 | 9 | 0.703 |
| <20 mm | 26 | 216 | 26 | 28 | |||
| <30 mm | 37 | 69 | 29 | 23 | |||
| <40 mm | 32 | 23 | 18 | 16 | |||
| ⩾40 mm | 17 | 13 | 5 | 8 | |||
| Location | Head/neck | 42 | 197 | 0.107 | 26 | 30 | 0.204 |
| Body | 47 | 134 | 39 | 28 | |||
| Tail | 29 | 97 | 19 | 26 | |||
| Worrisome features (number) | 0 | 66 | 369 | <0.001 | 58 | 59 | 0.336 |
| 1 | 50 | 46 | 24 | 22 | |||
| 2 | 1 | 10 | 1 | 3 | |||
| 3 | 1 | 3 | 1 | 0 | |||
| Worrisome features13 (category) | Size >30 mm | 49 | 36 | <0.001 | 24 | 23 | 0.864 |
| Thickened wall | 3 | 14 | 1.000 | 2 | 3 | 0.650 | |
| Mural nodule | 2 | 16 | 0.387 | 1 | 2 | 0.560 | |
| MPD dilatation | 1 | 4 | 1.000 | 1 | 1 | 1.000 | |
| Abrupt PD narrowing | 0 | 2 | 1.000 | 0 | 0 | – | |
| Regional LNE | 0 | 3 | 1.000 | 0 | 0 | – | |
| Follow-up duration (months) | 74.23 ± 36.74 | 68.88 ± 51.92 | 0.205 | 78.88 ± 38.86 | 75.90 ± 57.46 | 0.694 | |
| Follow-up after ablation (months) | 51.76 ± 28.18 | 50.39 ± 28.3 | |||||
| Death | 3 | 12 | |||||
| Cause of death | Disease specific death | 0 | 0 | ||||
| Non-pancreatic cause | 2 | 5 | |||||
| Not available | 1 | 7 | |||||
EUS-EA, endoscopic ultrasound-guided ethanol ablation; LNE, lymph node enlargement; MPD, main pancreatic duct; NC, natural course; PD, pancreatic duct.