Table 4.

SF12 Physical and Mental Component Scores and Activities of Daily Living at One Month and One Year Follow-up Interview

Characteristic	One Month	One Year
Any Impairment in Activities of Daily Living *	47 (42%)	14 (21%)
SF12 Physical Component Score**	37.2 (8.7)	43.6 (10.7)
SF12 Mental Component Score **	51.5 (9.5)	54.9 (7.3)

*Impairment defined as requiring help or unable to do activity as reported by patient or surrogate on any of 7 Basic Activities of Daily Living (at One year 20 surrogates provided information for patients who could not be interviewed). ADL data on 111 patients at one month and 68 patients at one year. Due to patients missing other data elements this is more patients than could be included in models.

**Quality of Life Data is shown for 111 patients at one month and 45 patients at one year. It does not include 2 patients with QOL data at one month and one year exclude from analysis. Data is presented as mean SF-12 score with standard deviation in parentheses.