Table 1.

Baseline demographic and clinical characteristics of the patients

Pt #	Age	Sex	PBW (Kg)	SAPS II	Causes of ARF	MV (Days)	PSV level (cmH2O)	PEEP (cmH2O)	FiO2%	RASS	NME (cmH2O/µV)	ICU outcome
1	70	M	70	63	Septic shock	10	8	13	40	0	0.62	Alive
2	70	M	67	35	Acute post-operative respiratory failure	11	10	7	40	− 1	1.66	Alive
3	71	M	66	39	Trauma	13	8	8	50	0	1.58	Dead
4	71	M	53	39	Septic shock	2	10	6	50	0	1.92	Alive
5	69	F	60	49	Thoracic Injury	2	13	7	40	0	1.76	Dead
6	70	M	68	31	Hemorrhagic stroke	8	10	8	40	− 1	2.41	Alive
7	85	M	71	40	Drowning	5	13	7	35	− 1	1.01	Dead
8	75	F	53	43	Septic shock	7	8	5	40	− 1	0.9	Alive
9	59	M	57	27	Hemorrhagic shock	12	9	10	30	− 1	1.74	Alive
10	61	M	53	33	Septic shock	11	9	10	50	− 1	3.2	Alive
11	78	M	79	46	COPD exacerbation	5	14	5	50	0	3.45	Alive
12	84	M	67	30	Community acquired pneumonia	4	10	5	40	0	1.89	Alive
13	49	M	64	36	Septic shock	11	11	10	30	− 1	2.52	Alive
14	73	F	48	38	Acute post-operative respiratory failure	8	10	5	40	0	3.77	Alive
15	80	M	66	40	COPD exacerbation	11	9	8	50	−1	0.98	Dead
16	70	M	70	45	Septic shock	7	18	10	50	0	2.05	Alive
Mean	70.18		63.25	39.12		7.9	10.65	7.76	43.24	− 0.5	1.96
SD	9.38		8.4	8.64		3.5	2.60	2.28	8.09	0.52	0.9

PBW = predicted body weight; SAPS II = Simplified Acute Physiology score II. The score can range from 0 to 163, with higher scores indicating a higher probability of death; ARF = acute respiratory failure; MV = mechanical ventilation; PSV level = pressure support ventilation level; PEEP = positive end-expiratory pressure; FiO₂ = inspiratory oxygen fraction; RASS = Richmond Agitation Sedation Scale; ICU = intensive care unit; COPD = chronic obstructive pulmonary disease