Non-invasive ventilation in amyotrophic lateral sclerosis
Non-invasive ventilation in amyotrophic lateral sclerosis

In this report, several studies report NIV results of

"Accordingly, more recent retrospective studies with larger numbers of patients (n = 929, n = 114, n = 140) found survival benefits of 13 months,4 11 months,5 and 15.5 months,6 respectively."

Original finding place NIV at about 7 months.