Table 2.

Model features

Feature	Description
1	Age
2	Gender
3	Height
4	Curvature of signal from start to D
5	Hjorth mobility
6	Ratio of areas from middle of signal to end over start to middle
7	Time spent in EtCO2 (with error of 0.01)
8	First index to reach EtCO2 (with error of 0.1) normalized by D
9	'Slope for C to D
10	Exponential FitMSE
11	Angle of the downward slope
12	Distance of point C from (0,1)
13	Linear regression from C to Da
14	Ratio between time signal rises and time signal descends
15	Distance from point C to the line connecting (0,0) to point D
16	Normalized signal at 0.5*D
17	First index to reach EtCO2 (with error of 0.1)
18	d2d1
19	Amount of times the signal rises
20	RW score1
21	Linear regression from 1 to DR2
22	Ratio between time until D/time from D to end (upstroke/downstroke)
23	Angle at C
24	Normalized signal at 0.45*D
25	Signal at the point where line from (0,1) to (1,0) crosses the signal
26	Ratio between signal rises/signal descends (from C to end)
27	Normalized signal at 0.35*D
28	Normalized signal at 0.4*D
29	Normalized signal at 0.55*D
30	Normalized signal at 0.3*D
31	Linear regression from C to Db
32	Like previous normalized by D
33	Normalized signal at D/2
34	Normalized signal at C
35	Curvature of signal from start to Midpoint