Mc Crirrick and Hunter pain intensity scale.⁴.

Pain score	Grade of pain	Response
0	None	The negative response to questioning
1	Mild	The pain reported in response to questioning only without any behavioural signs
2	Moderate	The pain reported in response to questioning and accompanied by behavioural signs (facial grimacing or withdrawal of hand or tears), or pain reported spontaneously without questioning
3	Severe	Strong verbal response, or response accompanied by behavioural signs (facial grimacing or withdrawal of hand or tears)