English to Italian Science Biology (-tech,-chem,micro-)

stanno parlando di strumenti di valutazione dell'efficacia
di un intervento

ecco una delle frasi dove si trova il termine:
During the study period fully 12 of the 13 incubator babies exceeded one or more of the blunt parameters, compared to only 3 of the 18 skin-to-skin babies.
e un altro:
A blunter but more specific measure was to define outer ranges of objective physiological parameters and count such events