public static ForcedExpiration GetData(List <double> flowins, List <double> flowexp, double vC, double _sampleTime, ILogger logger)
{
_logger = logger;
ForcedExpiration._sampleTime = _sampleTime;
var volumeListInIns = Integral.Calculate_VolumeInList(flowins, PulmonaryAnalysis.C1_fromATPtoSTPD(), _sampleTime);
var volumeListInExp = Integral.Calculate_VolumeInList(flowexp, PulmonaryAnalysis.C2_fromBTPStoSTPD(), _sampleTime);
double FVC = DefinitionFVC(volumeListInExp);
var FEV = DefinitionFEV(volumeListInExp);
var FEF = DefinitionFEF(volumeListInExp, flowexp, FVC);
double MEF02_12 = DefinitionMEF02_12(flowexp);
var FIV = DefinitionFIV(volumeListInIns);
var FIF = DefinitionFIF(volumeListInIns, flowins, FVC);
double PEF = DefinitionPEF(flowexp);
double PIF = DefinitionPIF(flowins);
return(new ForcedExpiration(vC, FVC, FEV, PEF, FEF, MEF02_12, PIF, FIF, FIV));
}
static double DefinitionMEF02_12(List <double> flowExp)
{
double MEF02_12;
try
{
double resultForStep = 0;
int indexOfvolume02 = 0, indexOfvolume12 = 0;
MEF02_12 = 0;
for (int i = 1; i < flowExp.Count; i++)
{
resultForStep += (flowExp[i] + flowExp[i - 1]) * 0.5 * _sampleTime * PulmonaryAnalysis.C2_fromBTPStoSTPD();
if (resultForStep >= 0.2)
{
indexOfvolume02 = i;
}
else if (resultForStep >= 1.2)
{
indexOfvolume12 = i;
MEF02_12 = flowExp.GetRange(indexOfvolume02, indexOfvolume12 - indexOfvolume02).Average();
}
}
}
catch (Exception ex)
{
MEF02_12 = -1;
_logger.LogError(string.Format("Error: {0}, Stack: {1}", ex.Message, ex.StackTrace));
}
return(MEF02_12);
}