Does the researcher(s) present descriptive or inferential statistics, or both? Explain the statistics presented and why they are descriptive or inferential.

Reference

Bascou, N. A., Marcos, M. C., Beltran Quintero, M. L., RoosenMarcos, M. C., Cladis, F. P., Poe, M. D., Escolar, M. L., & Veyckemans, F. (2019). General anesthesia safety in progressive leukodystrophies: A retrospective study of patients with Krabbe disease and metachromatic leukodystrophy. Pediatric Anesthesia, 29(10), 1053-1059. https://doi.org/10.1111/pan.13714