Table 2.

Decrease and increase of continuous arterial perfusion pressure from 85 mmHg to 25 mmHg and back in 9 porcine kidneys.

Continuous arterial pressure (mmHg)	Externally measured flow (ml/min/100g). Mean (SD)	CM ratio Mean (SD)
85 mmHg (baseline)	106 (±38)	5.0 (±4.1)
75 mmHg	95 (±37)	5.1 (±4.0)
65 mmHg	83 (±34)	4.8 (±3.6)
55 mmHg	69 (±32)	3.7 (±2.8)
45 mmHg	54 (±29)	‐*
35 mmHg	38 (±25)	‐*
25 mmHg (minimum)	24 (±19)	‐*
35 mmHg	37 (±24)	‐*
45 mmHg	48 (±25)	1.7 (±1.3) †
55 mmHg	58 (±27)	2.2 (±1.7) †
65 mmHg	68 (±30)	2.9 (±2.0) †
75 mmHg	78 (±35)	3.1 (±2.1)
85 mmHg	86 (±34)	3.7 (±3.4)

^*During severe hypoperfusion, most kidneys had no measurable ASL signal due to low perfusion. Therefore, no mean CM ratio was calculated.

^† 1 missing value.