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Table 1 Number of study participants in each menopausal status group per annual age stratum

From: Unraveling the associations of age and menopause with cardiovascular risk factors in a large population-based study

Age stratum Premenopausal Perimenopausal Naturally postmenopausal Surgically postmenopausal Total
18 726 32 1 0 759
19 561 19 2 0 582
20 552 35 3 0 590
21 638 29 8 1 676
22 655 50 4 0 709
23 670 50 7 0 727
24 704 51 14 0 769
25 813 79 10 0 902
26 1138 119 26 1 1284
27 1064 120 25 0 1209
28 982 101 19 0 1102
29 971 119 19 1 1110
30 950 107 27 0 1084
31 995 116 28 2 1141
32 1028 119 42 3 1192
33 1070 110 32 1 1213
34 1118 99 39 2 1258
35 1151 113 54 1 1319
36 1235 138 70 5 1448
37 1369 134 83 8 1594
38 1464 145 63 6 1678
39 1606 153 108 15 1882
40 1731 187 95 7 2020
41 1796 245 119 11 2171
42 1860 248 121 16 2245
43 1783 352 135 22 2292
44 1781 380 137 19 2317
45 1740 490 157 28 2415
46 1577 535 208 40 2360
47 1489 659 290 39 2477
48 1337 743 392 43 2515
49 1148 788 508 61 2505
50 898 795 703 51 2447
51 467 565 691 37 1760
52 134 233 464 18 849
53 69 169 556 22 816
54 57 123 653 32 865
55 29 62 802 24 917
56 14 32 886 23 955
57 4 16 870 28 918
58 1 6 902 38 947
59 3 1 876 47 927
60 1 1 900 29 931
61 0 0 883 30 913
62 0 1 817 52 870
63 0 0 821 37 858
64 0 0 790 48 808
65 0 0 84 56 140
Total 39397 8669 14514 904 63466