Task: Question Answering
Input (English): Question: Question linked to image nº17 Which of the following statements is correct: 
 Options:  <1> All the patients in the study except one had progression of the disease at 50 weeks of follow-up. <2> Since the survival curves overlap at the end of the follow-up time, the results should not be described as statistically significant. <3> The reduction of the risk of progression of the disease in group B (BSC + panitumumab) is 46% with respect to group A (BSC alone). <4> The average time to progression is the best estimator of the effect of the treatments and the difference between groups should be indicated to evaluate its relevance. <5> The Hazard Ratio analysis is not acceptable since the percentage of censorships is different between groups, p <0.0001.
Output (English): 4