Table 3.

CPAP usage during the first six months of treatment.

	Days used	Percentage of days ≥4 h	Average usage in hours on days used	Average usage in hours on all days	Average % of the night in large leak	Average AHI
1	148	67	6.85	5.5	1.7	1.6
2	115	39.6	5.2	3.3	3.9	6.8
3	177	89	8.7	8.5	6.8	1.9
4	109	53.5	7.5	4.5	11.8	1.5
5	72	34.6	8.8	3.5	8.4	2.7
6	158	78.3	8.75	7.5	26	7.3
Mean	130 days (38 days)	60.3% (21.5%)	7.6 h (1.4 h)	5.4 h (2.1 h)	9.7% (8.7%)	3.6 (2.7)

Abbreviations: Apnoea-Hypopnoea Index (AHI).