Table 7.

Relationship between death and lower or higher supplementary oxygen request according to the treatment group.

Parameter	SOC		K12		* p = 0.0022
	Lower	Higher	Lower	Higher
Dead	0	8	0	2
Alive	8	9	15	5

SOC: standard of care; K12: oral probiotic (+SOC); lower: patients whose request for oxygen during the study was reduced versus the oxygen request at enrolment; higher: patients whose request for oxygen was increased versus oxygen requested at enrolment. The total number of patients of the SOC group is 25. The total number of patients of the K12 group is 22 (3 patients did not need supplementary oxygen). *: Cochran–Mantel–Haenszel test.