borderline significantP = 0.05
Cognitive disorder (negative/positive) showed a borderline significant difference (P = 0.05, by log-rank test).
Cognitive disorder (negative/positive) showed a borderline significant difference (P = 0.05, by log-rank test).
On the other hand, the adjusted hazard ratio in patients in non-cognitive disorder group was 0.65, which was not significant compared to cognitive-disorder group, although log-rank test showed borderline significance (P = 0.05).