I've been on cpap for 15 months with a 8.5 pressure HI=6 AI=0.7 using swift nasal mask leaks were under control arround 0.25 .recently my pressure was increased to 12 with HI 11.5 AI 0.5 leaks went up to 0.86.my machine is resmed vintage 2 pressure is on autosetmode since the begin. since the pessur...