Table 4. Distribution of patients without apnea according to the Rankin scale of disability on admission and discharge men–women (t=64, p=0.52) admission–discharge (*t=13.4, p<0.0001).

Rankin scale	Admission Men Women N % N %				Discharge Men Women N % N %				Total Admission Discharge N % N %
0	0.0	0.0	0.0	0.0	11	16.9	2	4.4	0.0	0.0	13	11.8
1	6	9.2	2	4.4	14	21.5	15	33.3	8	7.3	29	26.7
2	5	7.7	5	11.1	9	4.0	12	27.7	10	9.1	21	19.1
3	9	13.8	12	26.7	14	21.5	6	13.3	21	19.0	20	18.2
4	33	50.8	19	42.2	16	24.6	5	11.1	52	47.2	21	19.1
5	12	18.5	7	15.6	1	1.5	5	11.1	19	17.3	6	5.5
Total	65	100.0	45	100.0	65	100.0	45	100.0	110	100.0	110	100.0