Table 3

Speed of circulatory recovery

	No SI	5×3 s SI	30 s SI
Time to reach heart rate 120 bpm (s)	64 (35–110)^†	38 (20–134)^†	8 (5–11)^*,^‡
Time to reach heart rate 150 bpm (s)	74 (47–234)^†	93 (32–517)	15 (8–23)^*,^‡
Time to reach mean CBP 40 mm Hg (s)	264 (132–577)^†	466 (137–914)^†	74 (63–88)^*,^‡
Time to reach mean CBP 45 mm Hg (s)	272 (155–617)^†	684 (166–1022)^†	93 (88–132)^*,^‡

Values are presented as median (IQR). p values >0.05 are considered not significant (NS).
↵* p<0.05 vs 5 x 3 s SI.
↵† p<0.05 vs 30 s SI.
↵‡ p<0.05 vs No SI.