Follow-up imaging results before and after propensity score matchinga
| All Cohorts | P Value | After PSM | P Value | |||
|---|---|---|---|---|---|---|
| Silk Alone (n = 105) | SG (n = 22) | Silk Alone (n = 24) | SG (n = 15) | |||
| 0- to 3-month follow-up | ||||||
| Occlusionb | 36 (60.0) | 5 (33.3) | .063 | 7 (41.2) | 3 (33.3) | >.99 |
| Residual fillingb | 24 (40.0) | 10 (66.6) | 10 (58.8) | 6 (66.6) | ||
| 3- to 6-month follow-up | ||||||
| Occlusionb | 50 (67.5) | 13 (72.2) | .703 | 10 (55.5) | 9 (75.0) | .440 |
| Residual fillingb | 24 (32.4) | 5 (27.7) | 8 (44.5) | 3 (25.0) | ||
| 7- to 12-month follow-up | ||||||
| Occlusionb | 61 (75.3) | 14 (93.3) | .178 | 13 (65.0) | 9 (90.0) | .210 |
| Residual fillingb | 20 (24.6) | 1 (6.6) | 7 (35.0) | 1 (10.0) | ||
| >12-month follow-up | ||||||
| Occlusionb | 75 (88.2) | 15 (93.7) | >.99 | 14 (73.6) | 11 (91.6) | .363 |
| Residual fillingb | 10 (11.7) | 1 (6.2) | 5 (26.4) | 1 (8.4) | ||