R-value (insulation) contain no trapped CFCs or HFCs (e.g., half-pound low density foams). On certain brands, twenty-year tests have shown no shrinkage or reduction in insulating value. This has led to controversy as how to rate the insulation of these products. Many manufacturers will rate the R-value at the time of manufacture; critics argue that a more fair assessment would be its settled value. The foam industry adopted the LTTR (Long-Term Thermal Resistance) method, which rates the R-value based on a 15-year weighted average. However, the LTTR effectively provides only an eight-year aged R-value, short in the scale of a building that
Recurrent genital herpes quality of life measure measuring quality of life. It has been utilized in studies investigating suppressive antiviral therapy, famciclovir and quality of life. Recurrent genital herpes quality of life measure The Recurrent Genital Herpes Quality of Life (RGHQoL) measure is a patient-reported outcome measure which determines the impact that recurrent genital herpes has on a patient’s quality of life. It is a 20 item questionnaire with items such as “Herpes makes it difficult for me to plan ahead” and “I worry that sex will trigger an outbreak.”. Lower scores on the RGHQoL indicate a higher negative impact on quality of life. The RGHQoL was