Table 5. Distribution of patients with and without apnea according to the Rankin scale disability, on admission and discharge with – without–apnea admission (t = 0.059, p = 0.95) discharge (t = 0.71, p = 0.48).

Rankin scale	With apnea Admission Discharge N % N %				Without apnea Admission Discharge N % N %
0	1	1.5	13	11.9	0.0	0.0	13	11.8
1	9	8.2	26	23.6	8	7.3	29	26.7
2	8	7.3	18	16.4	10	9.1	21	19.1
3	21	19.0	24	21.8	21	19.0	20	18.2
4	48	43.6	25	22.7	52	47.2	21	19.1
5	23	21.0	4	3.6	19	17.3	6	5.5
Total	65	100.0	110	100.0	65	100.0	45	100.0