选择各域严重程度（选项值为分值），总分对应拥挤等级。
NEDOCS quantifies ED overcrowding from census, boarding, ventilator load, and waits (Weiss et al.).
Banded point sums approximate continuous NEDOCS; use institutional real-time tools for operations.
仅供教学参考，不能替代临床诊断或治疗决策。