项 目                          轻    度                           中 度                                    重 度
意 识                            过度兴奋                       迟钝甚至浅昏迷                      昏 迷
肌张力                            正 常                           减 低                                       松 软
拥抱反射                        稍活跃                           减 弱                                       消 失
吸吮反射                        正 常                            减 弱                                      消 失
惊 厥                            无或偶有小抽动           有                                               多见或持续
中枢性呼吸衰竭            无                                   无或轻度                                    常 有
瞳孔改变                        无                                   缩 小                                       不对称扩大，光反射消失 
前囟张力                        正 常                            正常或稍高                              饱满、紧张
病 程                            24小时内消失                持续l周                                     多于1周内死亡
预 后                            较良好                            较差、有后遗症                       极差，后遗症严重