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Table 1 Patient and control characteristics

From: Risk factors and their impact on carotid intima-media thickness in young and middle-aged ischemic stroke patients and controls: The Norwegian Stroke in the Young Study

   All 15-44 y 45-60 y Females Males Age (p) Sex (p)
Patients N 150(100)* 45(30)* 105(70)* 49(32.7)* 101(67.3)*   
Age (mean) 150 48.5 35.8 54.0 46.3 49.6 <0.001 0.075
Prior stroke 150 13(8.7) 1(2.2) 12(11.4) 6(12.2) 7(6.9) 0.017 0.325
CHD 150 15(10.0) 1(2.2) 14(13.3) 4(8.2) 11(10.9) 0.006 0.589
PAD 150 8(5.3) 1(2.2) 7(6.7) 2(4.1) 6(5.9) 0.181 0.617
Family CVD 150 78(52.0) 9(20.0) 69(65.7) 29(59.2) 49(48.5) <0.001 0.222
Diabetes 150 16(10.7) 2(4.4) 14(13.3) 7(14.3) 9(8.9) 0.053 0.357
Hypertension 150 101(67.3) 23(51.1) 78(74.3) 30(61.2) 71(70.3) 0.009 0.282
Dyslipidemia 150 114(76.0) 27(60.0) 87(82.9) 36(73.5) 78(77.2) 0.007 0.623
Smoking 150 104(69.3) 23(51.1) 81(77.1) 28(57.1) 76(75.2) 0.003 0.033
BMI > 25 144 99(68.8) 28(62.2) 71(67.6) 30(61.2) 69(68.3) 0.941 0.542
Alcohol 141        
 None   9(6.4) 5(11.1) 4(3.8) 4(8.2) 5(5.0) 0.173 0.476
 Low   119(84.4) 37(82.2) 82(78.1) 41(83.7) 78(77.2) 0.947 0.252
 High   13(9.2) 2(4.4) 11(10.5) 1(2.0) 12(11.9) 0.137 0.011
Controls N 84(100)* 21(25)* 63(75)* 63(75)* 21(25)*   
Age (mean) 84 49.3 36.6 53.5 48.8 50.6 <0.001 0.453
Family CVD 84 49(58.3) 9(42.9) 40(63.5) 35(55.6) 14(66.7) 0.112 0.372
Diabetes 84 9(10.7) 1(4.8) 8(12.7) 5(7.9) 4(19.0) 0.218 0.249
Hypertension 84 16(19.0) 3(14.3) 13(20.6) 7(11.1) 9(42.9) 0.502 0.012
Dyslipidemia 84 12(14.3) 1(4.8) 11(17.5) 8(12.7) 4(19.0) 0.066 0.52
Smoking 84 57(67.9) 12(57.1) 45(71.4) 40(63.5) 17(81.0) 0.26 0.11
BMI > 25 80 45(56.3) 11(52.4) 34(54.0) 31(49.2) 14(66.7) 0.872 0.147
Alcohol 81        
 None   4(4.9) 0(0.0) 4(6.3) 3(4.8) 1(4.8) 0.045 0.989
 Low   74(91.4) 20(95.2) 54(85.7) 56(88.9) 18(85.7) 0.399 0.817
 High   3(3.7) 1(4.8) 2(3.2) 2(3.2) 1(4.8) 0.79 0.757
  1. Data presented as number (percentage) or mean. *Percentage of total population. y = years; CHD = Coronary heart disease; PAD = Peripheral artery disease; CVD = Cardiovascular disease; BMI = Body mass index.