2.
VVS及POTS患儿的疗效随访
| 随访时间 | 随访总人数(例) | 有效(例) | 无效(例) | 治疗有效率(%) |
| 3个月 | 86 | 75 | 11 | 87 |
| 6个月 | 86 | 80 | 6 | 93 |
| 12个月 | 86 | 80 | 6 | 93 |
| 18个月 | 78 | 70 | 8 | 90 |
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