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Table 2 Crude and age-adjusted prevalence of CAD by age group and gender

From: Prevalence of coronary artery disease and its risk factors in Kerala, South India: a community-based cross-sectional study

Age group (yrs.) Men Women Difference (%) 95 % CI p value
Any CAD n P (%) SE n P (%) SE
20–29 144 2.78 1.37 192 7.29 1.88 −4.51 (−9.07,0.04) 0.069
30–39 306 6.54 1.42 582 8.93 1.18 −2.40 (−6.01,1.21) 0.213
40–49 465 7.10 1.19 734 14.44 1.30 −7.34 (−10.80,−3.89) <0.001
50–59 386 12.44 1.68 638 19.91 1.58 −7.47 (−11.99,−2.95) 0.002
60–69 537 22.72 1.81 679 25.77 1.68 −3.05 (−7.89,1.78) 0.218
70–79 234 32.05 3.06 270 29.26 2.77 2.79 (−5.28,10.87) 0.497
All 2072 14.58 0.78 3095 17.87 0.69 −3.29 (−5.32,−1.26) 0.002
Age adjusted 2072 9.80 0.65 3095 14.26 0.69 −4.46 (−6.24,−2.69) <0.001
Definite CAD          
20–29 144 0.00 0.00 192 0.00 0.00 - - -
30–39 306 2.29 0.86 582 0.52 0.30 1.77 (0.00,3.55) 0.017
40–49 465 3.87 0.90 734 1.77 0.49 2.10 (0.10,4.10) 0.026
50–59 386 6.48 1.25 638 3.13 0.69 3.34 (0.54,6.14) 0.012
60–69 537 13.41 1.47 679 8.98 1.10 4.42 (0.83,8.02) 0.014
70–79 234 18.80 2.56 270 12.59 2.02 6.21 (−0.17,12.59) 0.055
All 2072 8.01 0.60 3095 4.23 0.36 3.78 (2.41,5.15) <0.001
Age adjusted 2072 4.80 0.39 3095 2.63 0.23 2.17 (1.09,3.25) <0.001
  1. CAD coronary artery disease, P prevalence, SE standard error