Table 1

Study groups and summary of the quantitative results

Study group	Group 85		P-values	Group 120		P-values
Sub-group	Group 85L	Group 85H	P-values	Group 120L	Group 120H	P-values
Air bubble size	85 µm	85 µm	–	120 µm	120 µm	–
Air volume	0.39 µl	0.64 µl	–	0.39 µl	0.64 µl	–
Air bubble number	1200	1200	–	426	711	–
Number of infarctions	5.0 (3.5; 5.0)	3.0 (0.0; 3.0)	0.049	6 (5.75; 6)	4 (3.5; 4)	0.012
Volume of infarctions* (mm³)	0.32 (0.16; 0.58)	0.3 (0.17; 0.66)	0.274	0.2 (0.11; 0.32)	0.24 (0.14; 0.4)	0.419
Total infarction volume^† (mm³)	1.67 (0.71; 6.47)	0.5 (0; 0.9)	0.042	2.16 (1.54; 6.47)	1.1 (0.94; 5.13)	>0999

Quantitative data are presented as medians with interquartile range (median (first quartile; third quartile)).
*Volume of the single infarctions.
†Total infarction volume per rat.