Regression analysis of mean quality-adjusted lifetime with censored data

Regression analysis of mean quality-adjusted lifetime with censored data

In clinical trials of chronic diseases such as acquired immunodeficiency syndrome, cancer, or cardiovascular diseases, the concept of quality-adjusted lifetime (QAL) has received more and more attention. In this paper, we consider the problem of how the covariates affect the mean QAL when the data are subject to right censoring. We allow a very general form for the mean model as a function of covariates. Using the idea of inverse probability weighting, we first construct a simple weighted estimating equation for the parameters in our mean model. We then find the form of the most efficient estimating equation, which yields the most efficient estimator for the regression parameters. Since the most efficient estimator depends on the distribution of the health history processes, and thus cannot be estimated nonparametrically, we consider different approaches for improving the efficiency of the simple weighted estimating equation using observed data. The applicability of these methods is demonstrated by both simulation experiments and a data example from a breast cancer clinical trial study.

Scrubs Star Marries
Our favorite sarcastic physician on Scrubs got married over the weekend. Scrubs star John C. McGinley married yoga teacher Nichole Kessler on Saturday.

The couple married at their home in Malibu in front of 30 family and friends. The couple dated for two and a half years before McGinley proposed last August.

The bride wore a blush gown by Le Sposa Di Gio and carried a bouquet of Dutch "Shirley Temple" peonies from LA Botanicals for their Saturday evening ceremony. The bride was escorted down the aisle by McGinley's 9-year-old son, Max.

After the ceremony, guests dined on sushi from Nobu Malibu and a three-tiered wedding cake by Mäni's Bakery in Los Angeles.

Photo courtesy of People.com

Early Implementation of the Minnesota Integrated Services Project
This report examines the early implementation of the Minnesota Integrated Services Project (ISP), initiated by the Minnesota Department of Human Services and operating in eight sites across the state. Minnesota ISP focuses on improving economic and family-related outcomes for long-term welfare recipients by increasing access to comprehensive services that address multiple needs and coordinating services provided by multiple service systems. This report discusses the progress made and challenges faced in developing coordinated services provided by multiple systems during the early stages of implementation and provides recommendations for improving these service integration efforts.

A Unique Way To Arrive At Your Wedding

Whether you choose a vintage car, a stretch limo, a horse-drawn carriage (á la Jordan and Peter Andre?s wedding) or even a helicopter, there is one important consideration for a bride when choosing her wedding transportation and that is reliability. The last thing any bride-to-be wants is to arrive late for her own wedding!

That is why I was surprised to read about bride Kirsty Ainsworth. For her nuptials in Macclesfield dressed in her full-length white beaded satin wedding dress she strolled down the road from her Mum?s house to her local bus stop with her bridesmaid and patiently waited for the No 10 bus to take them both on the five-mile, 20-minute route to Macclesfield Register Office. I?ve heard of hiring a vintage red London double-decker bus and have even attended a wedding where the guests were ferried around in such a bus but I have never heard of the bride catching a lift on a public bus.

According to Manchestereveningnews.co.uk Kirsty said,

"I just wanted to do something a bit unusual and have a day to remember. I did get a few beeps, some waves and quite a lot of funny looks while I waited for the bus.?

We all know how unpunctual buses tend to be so she was very brave to risk this! I guess it provides the bride with a wonderful story to tell people about her wedding day and of course it will have saved her money ? a £3.20 bus ticket compared to the average £300 spent on wedding transportation is a superb saving!