Table 1.

Stall parameters across experimental groups.

	Acute cranial window (n = 6)	Chronic cranial window and awake animals (∼4-month-old, n=7)	Chronic cranial window and awake animals, before anesthesia (∼7-month-old, n = 6)	Chronic cranial window and 5 min after anesthesia (n = 6)
Stall incidence (in 9 min of observation) Acute-chronic p = 0.002 Awake-anesthetized p = 0.007	18.6 ± 8.7% of all capillaries	7.50 ± 2.56% of all capillaries	6.8 ± 2.9% of all capillaries	11.9 ± 3.1% of all capillaries
Number of stalls in each segment (in 1 min) Acute-chronic p = 0.01 Awake-anesthetized p = 0.14	0.55 ± 0.39	0.25 ± 0.06	0.31 ± 0.07	0.28 ± 0.08
Stall duration Acute-chronic p = 0.001 Awake-anesthetized p = 0.54	49.3 ± 21.1 s	15 ± 4.5 s	23 ± 15 s	29 ± 18 s
Point prevalence (at each time point) Acute-chronic p = 0.002 Awake-anesthetized p = 0.01	3.4 ± 1.5% of all capillaries	0.45 ± 0.35% of all capillaries	0.6 ± 0.2% of all capillaries	1.5 ± 0.6% of all capillaries
Cumulative stall duration Acute-chronic p = 0.002 Awake-anesthetized p = 0.54	19.8 ± 6.0% of observed time	5.8 ± 1.9% of observed time	10.6 ± 3.2% of observed time	11.9 ± 6.2% of observed time