Table 1. Coma scales used in the study.

Blantyre coma scale		Glasgow coma scale	Adelaide paediatric coma scale			AVPU
Eye response
Directed eye movement	1	Spontaneous	4	Spontaneous	4	Alert	4
Not directed	0	To speech	3	To speech	3	Voice	3
		To pain	2	To pain	2	Pain	2
		None	1	None	1	Unresponsive	1
Best verbal response
Appropriate cry	2	Oriented	5	Oriented	5
Inappropriate cry/moan	1	Confused	4	Words	4
No cry	0	Inappropriate words	3	Vocal sounds	3
		Incomprehensible sounds	2	Cries	2
		None	1	None	1
Best motor response
Localises pain	2	Obeys	6	Obeys commands	5
Withdraws from pain	1	Localises	5	Localises pain	4
No response	0	Withdraws	4	Flexion to pain	3
		Abnormal flexion	3	Extension to pain	2
		Extensor response	2	None	1
		None	1
Total 0–5		Total 3–15		Total 3–14		Total 1–4