Table 3.

Statistical description of the two phenotypes of the training set

Features (mean ± SD)	Profile1 (n = 3500)	Profile2 (n = 1247)	P value
Age	64.57 ± 16.19	61.77 ± 16.70	< 0.001
SAPS II	37.92 ± 13.47	46.63 ± 17.22	< 0.001
SOFA scores	4.88 ± 3.00	7.20 ± 4.28	< 0.001
White blood cell (WBC)	11.78 ± 4.64	14.59 ± 15.52	< 0.001
Hemoglobin (Hb)	10.65 ± 1.81	10.75 ± 2.13	0.122
Hematocrit	31.77 ± 5.18	32.28 ± 6.33	0.005
Platelet	207.19 ± 101.90	220.82 ± 129.40	< 0.001
Urea Nitrogen (BUN)	22.49 ± 15.99	33.20 ± 27.95	< 0.001
pH	7.38 ± 0.06	7.34 ± 0.09	< 0.001
pO2	203.65 ± 85.69	148.41 ± 72.72	< 0.001
pCO2	41.49 ± 7.34	43.08 ± 11.52	< 0.001
Bicarbonate (HCO3−)	23.95 ± 3.64	22.67 ± 5.41	< 0.001
Lactate (Lac)	2.01 ± 0.93	2.85 ± 2.25	< 0.001
Potassium (K)	4.21 ± 0.51	4.26 ± 0.62	0.003
Sodium (Na)	138.13 ± 3.65	138.28 ± 4.96	0.245
Chlorine (Cl)	105.49 ± 4.88	104.88 ± 6.29	0.001
Total calcium (TotalCa)	8.27 ± 0.63	8.18 ± 0.99	< 0.001
Partial thromboplastin time (PTT)	34.06 ± 12.31	40.74 ± 20.78	< 0.001
Fluid balance	4023.84 ± 3505.98	6143.63 ± 17,240.77	< 0.001
Positive expiratory end pressure (PEEP)	5.56 ± 1.24	7.20 ± 3.01	< 0.001
Oxygen concentration in the inhalation gas (FiO2)	54.52 ± 11.58	60.39 ± 16.45	< 0.001
Tidal volume (VT)	504.45 ± 91.65	563.87 ± 307.72	< 0.001
Peak airway pressure (Ppeak)	19.21 ± 4.72	23.29 ± 6.73	< 0.001
Mean airway pressure (Pmean)	8.76 ± 1.88	11.40 ± 3.99	< 0.001
Platform pressure (Pplat)	17.53 ± 3.43	20.44 ± 5.22	< 0.001
Heart rate (HR)	84.46 ± 13.91	90.54 ± 18.27	< 0.001
Mean arterial pressure (MAP)	78.46	78.05 ± 17.84	0.288
Respiratory rate (RR)	18.04 ± 3.13	20.79 ± 4.40	< 0.001
Temperature	36.84 ± 0.58	36.79 ± 0.92	0.037
Pulse oxygen saturation (SpO2%)	97.84 ± 1.54	96.72 ± 3.43	< 0.001
Richmond-ASS scores	− 1.39 ± 1.34	− 2.15 ± 1.74	< 0.001
Dexmedetomidine	0.01 ± 0.05	0.42 ± 1.47	< 0.001
Fentanyl	0.57 ± 1.26	11.82 ± 19.99	< 0.001
Midazolam	8.29 ± 23.13	225.89 ± 546.80	< 0.001
Morphine	7.27 ± 12.10	37.56 ± 161.65	< 0.001
Propofol	2219.76 ± 3271.76	8727.05 ± 14,805.89	< 0.001