Table 3. Cardiorespiratory ultrasonic variables on admission.

Variable	Measure	Range	No. of Cases/N
Diameter of IVC(cm)	1.84±0.41	0.64‑2.72	336/451
dIVC	17.76(7.73, 29.14)	0‑140	121/451
RV:LV Area Ratio	0.56(0.42, 0.71)	0.13‑2.51	220/451
TAPSE(cm)	1.93±0.57	0.21‑3.52	323/451
EF	58.06±13.52	15.2‑84.8	302/451
MAPSE(cm)	1.40±0.55	0.26‑4.29	358/451
E/e’	7.72(6.17, 10.27)	0.12‑37.08	366/451
SV(ml)	60.59±20.20	14.40‑123.00	121/451
LUS score	12(6, 20)	0‑36	440/451

Values were expressed as mean ± standard deviation or median (interquartile range), according to type of data and data distribution; Abbreviations: IVC, Inferior Vena Cava; dIVC, distensibility index of Inferior Vena Cava; RV, right ventricle; LV, left ventricle; TAPSE, tricuspid annular plane systolic excursion; EF, ejection fraction; MAPSE, mitral annular plane systolic excursion; E/e’, early diastolic transmitral velocity to early mitral annulus diastolic velocity ratio; SV, stroke volume; LUS, lung ultrasound.