Table 3. Distribution of patients with apnea according to the Rankin scale of disability on admission and discharge men–women (t =-0.146, p = 0.88) admission–discharge (*t=12.11, p<0.0001).

Rankin scale	Admission Men Women N % N %				Discharge Men Women N % N %				Total Admission Discharge N % N %
0	1	1.5	0.0	0.0	9	13.8	4	8.9	1	1.5	13	11.9
1	6	9.2	3	6.7	14	21.5	12	26.7	9	8.2	26	23.6
2	7	10.7	1	2.2	10	15.4	8	17.8	8	7.3	18	16.4
3	11	16.9	10	22.2	15	23.1	9	20.0	21	19.0	24	21.8
4	28	43.1	20	44.4	15	23.1	10	22.2	48	43.6	25	22.7
5	12	18.5	11	24.4	2	3.1	2	4.4	23	21.0	4	3.6
Total	65	100.0	45	100.0	65	100.0	45	100.0	110	100.0	110	100.0