highly significantp < 0.001
For patients aged below 81 years, the adjusted ICU mortality rate was 13.5%, while for those aged 81 years and above, the rate was 19.8%, with a highly significant difference (p < 0.001).
For patients aged below 81 years, the adjusted ICU mortality rate was 13.5%, while for those aged 81 years and above, the rate was 19.8%, with a highly significant difference (p < 0.001).