| PBAC score after treatment | |||
|---|---|---|---|
| Study | Balloon | Rollerball | Results |
| At 1 year follow‐up | |||
| Meyer 1998 | N=125 Mean PBAC (SD): 52.2 (85.2) | N=114 Mean PBAC (SD): 39.6 (86.4) | No statistical test performed of these outcomes |
| van Zon‐Rabelink 2003 | N=74 Median PBAC (range): 70 (0, 2265) | N=55 Median PBAC (range): 73 (0, 535) | Wilcoxon test: P=0.90 |
| At 2 years' follow‐up | |||
| van Zon‐Rabelink 2003 | N=66 Median PBAC (range): 33.5 (0, 905) | N=55 Median PBAC (range): 73 (0, 585) | Wilcoxon test: P=0.01 |
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