Table 2. Data partitions.

Set A PMV >7 days	Set	Proportion	Number of cases	Ventilator days ≤ 7	Ventilator days > 7
	Training set	70%	472	183	289
	Testing set	30%	202	87	115
	Total	100%	674	270	404
Set B PMV >10 days	Set	Proportion	Number of cases	Ventilator days ≤ 10	Ventilator days > 10
	Training set	70%	446	239	207
	Testing set	30%	197	114	83
	Total	100%	643	353	290
Set C PMV >14 days	Set	Proportion	Number of cases	Ventilator days ≤ 14	Ventilator days > 14
	Training set	70%	432	312	120
	Testing set	30%	190	138	52
	Total	100%	622	450	172