Table 7.

Somnolence categories

	No. of patients/time
	Fully awake	Somnolent and responds to call	Somnolent and no response to verbal stimulation	Total
1 h	35	14	1	50
2 h	34	16	0	50
3 h	39	11	0	50
4 h	42	8	0	50
8 h	43	6	1	50
12 h	30	20	0	50
16 h	34	15	1	50
20 h	41	9	0	50
24 h	41	8	1	50
48 h	34	16	0	50
72 h	34	16	0	50
Total no. of observations	407	139	4	550
% of responses	74%	24.3%	0.7%	100