Ratio-based metric

S/C
S:D ratio
S/L2 definitions
SAB6 definitions
SAVI
SBMw
SBP/LVEDP
SBR3 definitions
Sc-MFS
sCCr
SCI11 definitions
SDR6 definitions
SEVR3 definitions
sFLR
SFR5 definitions
SHR4 definitions
sHR
SI33 definitions
sICAM-1:sVCAM-1
SINR