The sensitivity for the detection of malignancy or advanced precancerous lesions did not differ considerably according to age or laboratory-screening site . Among 9167 participants who had findings apart from colorectal tumor or advanced precancerous lesions , the specificity of the DNA test was 86.6 percent . Among the 4457 participants with totally negative outcomes on colonoscopy, the specificity was 89.8 percent ; within this subgroup, the specificity was 94.0 percent among individuals younger than 65 years of age and 87.1 percent among those 65 years or older .Financial results for the first quarter of 2012: Adjusted net revenue of $672.4 million for the first quarter of 2012, in comparison to $582.5 million for the initial quarter of 2011. Adjusted cash-basis net income per diluted common share of $0.77 for the first quarter of 2012, in comparison to adjusted cash-basis net income per diluted common talk about of $0.61 for the first quarter of 2011. Adjusted product and providers revenues from our Professional Diagnostics segment were $516.7 million in the first quarter of 2012, in comparison to adjusted net product and solutions revenue of $409.8 million in the first quarter of 2011.9 million of incremental net revenue when compared to first quarter of 2011.