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. Author manuscript; available in PMC: 2012 Oct 24.
Published in final edited form as: Arch Intern Med. 2011 Jul 25;171(19):1712–1718. doi: 10.1001/archinternmed.2011.351

Table 1.

Baseline Characteristics for Women’s Health Study and Physicians Health Study II Participants*

Diabetic Participants Non-Diabetic Participants P-value
Women’s Health Study, N 685 23,989
Age, years 55 (50, 62) 52 (48, 58) <0.001
Systolic blood pressure, mmHg 135 (125, 145) 125 (115, 135) <0.001
High density lipoprotein cholesterol, mg/dL 42.2 (35.0, 51.5) 52.2 (43.5, 62.7) <0.001
Total cholesterol, mg/dL 214 (190, 242) 208 (184, 235) <0.001
C-reactive protein, mg/L 5.0 (2.4, 8.4) 2.0 (0.8, 4.2) <0.001
Current smoking, % 12.0% 11.5% 0.78
Parental history of premature MI, % 14.9% 12.8% 0.12
HbA1c, % 7.0 (6.0, 8.3) - -
Physician’s Health Study II, N 563 11,280
Age, years 67.8 (62.5, 73.0) 63.1 (57.0, 69.8) <0.001
Systolic blood pressure, mmHg 130 (120, 140) 128 (120, 135) <0.001
High density lipoprotein cholesterol, mg/dL 38.4 (30.9, 47.9) 42.5 (34.4, 52.3) <0.001
Total cholesterol, mg/dL 195.0 (173.0, 222.0) 203.1 (180.3, 227.0) <0.001
C-reactive protein, mg/L 1.2 (0.6, 2.6) 0.9 (0.4, 1.7) <0.001
Current smoking, % 4.6% 3.2% 0.09
Parental history of premature MI, % 10.8% 10.8% 0.97
HbA1c, % 6.5 (6, 7.4) - -
*

Median (25th percentile, 75th percentile) unless otherwise noted

Kruskal-Wallis used for comparison of continuous characteristics and chi-squared for comparison of dichotomous characteristics