Table 2.

Devices and parameters in the data tracks.

Device	Device type	Company	Parameter	Data type	Number of parameters	Acquisition interval (sec)
TramRac-4A*	Patient monitor	GE healthcare	ECG, capnography, plethysmogram, blood pressures	Wave	6	1/500
Solar 8000 M	Patient monitor	GE healthcare	Heart rate, blood pressures, oxygen saturation, temperature, gas concentrations, etc.	Numeric	44	2
Primus	Anesthesia machine	Drager	Gas concentrations, volumes and flows, airway pressures	Wave; Numeric	2; 35	1/62.5 for waves; 7 for numeric values
BIS Vista (BIS 4.1 engine)	EEG monitor	Covidien	EEG waves, Bispectral index and related parameters	Wave; Numeric	2; 6	1/128 for EEG wave; 1 for numeric values
Orchestra	Target-controlled infusion pump	Fresenius Kabi	Target, plasma and effect-site concentrations; infused volume and infusion rate of drugs	Numeric	51	1
Vigileo	Cardiac output monitors	Edwards Lifesciences	Stroke volume and derived parameters	Numeric	5	2
EV1000	Cardiac output monitors	Edwards Lifesciences	Stroke volume and derived parameters		9	2
Vigilance II	Cardiac output monitors	Edwards Lifesciences	Cardiac output and derived parameters, temperature, oxygen saturation,		14	2
CardioQ-ODM+	Cardiac output monitors	Deltex	Stroke volume, cardiac output and related parameters	Wave; Numeric	2; 11	1/180 for waves; 1 for numeric values
INVOS	Cerebral/somatic oximeter	Covidien	Cerebral oxygen saturation	Numeric	2	5
FMS2000	Rapid infusion system	Belmont Instrument	Infused volume, infusion rate, temperatures, pressure	Numeric	7	every 2.875 mL infused

*Waveform data from TramRac-4A was recorded using an analog-to-digital converter (SNUADC) developed by authors.