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Table 1: Number, age, clinical characteristics, Hct, and Hb of the healthy subjects and patients
Groups No. Age Range (yr) Mean Age (yr) Males (No.) Females (No.) Hct (×10⁻²) Hb
Healthy subjects 10 40–67 55.9 5 5 34.9 ± 12.6 13.1 ± 1.2
Mild stenotic MCA 
    Group 1 13 37–65 50.4 6 7 40.2 ± 4.9 14.2 ± 1.4
Severe stenotic MCA 
    Group 2 11 45–75 58.0 6 5 39.2 ± 5.1 13.1 ± 2.1
Occluded MCA 
    Group 3 16 36–72 58.5 8 8 39.8 ± 4.4 13.8 ± 2.3
Patients with acute stroke 
    Group 4 17 38–73 57.6 9 8 40.3 ± 6.6 13.6 ± 2.1
Note:—Hb indicates hemoglobin.

Groups	No.	Age Range (yr)	Mean Age (yr)	Males (No.)	Females (No.)	Hct (×10⁻²)	Hb
Healthy subjects	10	40–67	55.9	5	5	34.9 ± 12.6	13.1 ± 1.2
Mild stenotic MCA
Group 1	13	37–65	50.4	6	7	40.2 ± 4.9	14.2 ± 1.4
Severe stenotic MCA
Group 2	11	45–75	58.0	6	5	39.2 ± 5.1	13.1 ± 2.1
Occluded MCA
Group 3	16	36–72	58.5	8	8	39.8 ± 4.4	13.8 ± 2.3
Patients with acute stroke
Group 4	17	38–73	57.6	9	8	40.3 ± 6.6	13.6 ± 2.1