Running some analysis for 65 patients who have gone through a medical treatment post-diving. I have a dependent variable which is ordinal: 1-bad outcome, 2-okay outcome, 3-good outcome.
I want to test some correlations with different independent variables:
- Sex - nominal obviously. Should I use the Kruskal-Wallis test?
- Dive depth - which is numeric in meters. Can I use univariate analysis?
- Pre-treatment severity - ordinal variable as 0-no symptoms, 1-mild, 2-moderate, 3-severe. Kruskal-Wallis as well?
