The ratio evaluation showed 3 BCG/OPV and 3 BCG/DPT were reliable, but 3 MV/OPV and 3 MV/DPT were doubtful.

• 比值 (R)评价 3BCG/OPV与 3BCG/DPT为“可信” ,3MV/OPV与 3MV/DPT为“可疑”。