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The comparison of clinical outcomes in the lumen apposing metal stent and recurrent dilation groups
| Group | n | Mean symptom free days | SD | t | P (two tail) | |
| Overall | Dilation | 36 | 153 | 153.7 | 2.9 | 0.01 |
| LAMS | 8 | 327 | 156.9 | |||
| Male | Dilation | 20 | 147 | 169.04 | 3.5 | 0.01 |
| LAMS | 3 | 347 | 73.7 | |||
| Female | Dilation | 16 | 160 | 137.2 | 2.1 | 0.09 |
| LAMS | 5 | 353 | 190.9 | |||
| Nonsurgical | Dilation | 31 | 144 | 158.7 | 1.5 | 0.26 |
| LAMS | 3 | 298 | 165.6 | |||
| Surgical | Dilation | 5 | 209 | 114.08 | 2.06 | 0.07 |
| LAMS | 5 | 382 | 148.8 |
LAMS: Lumen apposing metal stent.
