borderline significantp = 0.052
By contrast, when surveys with critical flaws were included in the analysis, difference in median scores among years was borderline significant (mortality: Kruskal-Wallis Chi-square = 9.38, 4 DF, p = 0.052; nutrition: Kruskal-Wallis Chi-square = 10.97, 4 DF, p = 0.027), especially because of low median scores in 2004.