Conclusion The effect of this multicentric treatment was better than that of the methods before.NBNA mark is of value in the evaluation of prognosis 14 days after birth.

• 结论本次多中心治疗采用的治疗方案疗效较“七五”、“八五”报道的疗效明显提高，生后14天NBNA评分对预测预后有较大意义。