In L.A. County, Beverly Hills residents used 286 gallons per person daily, while Compton residents used 65. In posh parts of northern San Diego County, residents on average used more than 580 gallons of water a day in September.he heaviest water users, the data showed, used more than 10 times as much as those who used the least. Statewide, residents in some water districts used an average of more than 500 gallons per capita a day, while others used as little as 46 gallons.
PSA doubling time in this group of patients does not play a primary role. Q. Are you suggesting that the standard definition most people use, based on two or three data points, is probably not reliable?
Prostate cancer and PSA velocity. The rate of change in PSA over time, or PSA velocity, provides an indication of how advanced your cancer is and how likely it is to metastasize. PSA levels that double from one year to the next may signify an aggressive cancer. Similarly, a PSA that goes up by more than 2 units within a year may be cause for worry.