This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
Child Pugh score is a type of 
Select and explain. 
A. Nominal, B. Ordinal, C. Quantitative, D. Qualitative
B: Ordinal
Answer: B: Ordinal 
Explanation: Ref:Park's Textbook of Preventive and Social Medicine 25th Ed