Læknablaðið - 15.11.2001, Síða 33

FRÆÐIGREINAR / TÍÐNI KRANSÆÐASJÚKDÓMA
Table II. Myocardial infarction attack rate pr.
100,000 pr. year at different ages. (Results from a
model fitted by Poisson regression.)
Age Year Decrease in (%)
1981 1985 1989 1993 1998 1981-1998
30 M 21 16 12 9 6 (71)
F 2 2 2 2 1 (42)
40 M 138 118 84 66 48 (65)
F 17 15 13 11 10 (42)
50 M 588 479 389 317 245 (58)
F 90 79 70 61 52 (43)
60 M 1602 1360 1154 979 797 (50)
F 358 314 275 241 204 (43)
70 M 2790 2469 2184 1933 1658 (41)
F 1044 914 801 701 594 (43)
M: males; F: females. MONICA lceland Study.
Table IV. Myocardial infarction death rate pr.
100,000 pr. year at different ages. (Results from a
model fitted by Poisson regression.)
Age Year Decrease in (%)
1981 1985 1989 1993 1998 1981-1998
30 M 7 4 3 2 1 (86)
F 1 1 1 0 0 (58)
40 M 41 28 19 13 8 (80)
F 5 4 3 3 2 (56)
50 M 182 133 98 72 49 (73)
F 24 20 16 14 11 (54)
60 M 594 470 371 294 219 (63)
F 106 90 75 63 51 (52)
70 M 1441 1227 1044 889 726 (50)
F 445 378 322 273 223 (50)
M: males; F: females. MONICA lceland Study.
Table VI. Per cent case fatality in hospitalized per-
sons aged 25-74 with myocardial infarction. (Results
from a model fitted by logistic regression.)
Age Year Decrease in (%) 1981-1998
1981 1985 1989 1993 1998
30 M 12 10 8 7 6 (48)
F 32 30 27 25 22 (31)
40 M 10 9 8 7 6 (48)
F 19 17 16 14 12 (35)
50 M 13 11 9 8 7 (48)
F 16 14 13 12 10 (36)
60 M 20 17 15 13 11 (45)
F 19 18 16 14 13 (35)
70 M 36 32 29 26 22 (40)
F 33 30 28 26 23 (31)
M: males; F: females. MONICA lceland Study.
tugra karla. Pessar tölur höfðu lækkað um 2-4% 1998
(ekki marktækt). Samsvarandi tölur fyrir þrítugar
konur voru 92% en 85% um sjötugt. Þessar tölur
höfðu lækkað um 2-3% (ekki marktækt) 1998.
1 töflu VII er gerð grein fyrir því að hve miklu leyti
lækkun dánartíðni má rekja til minnkandi nýgengis,
lækkunar á tíðni endurtekinna kransæðastíflutilfella
og lækkunar dánarhlutfalls. f yngstu aldurshópunum
Table III. Myocardial infarction incidence rate pr.
100,000 pr. year at different ages. (Results from a
model fítted by Poisson regression.)
Age Year Decrease in (%)
1981 1985 1989 1993 1998 1981-1998
30 M 19 14 n 8 6 (70)
F 2 2 2 2 1 (34)
40 M 122 96 77 61 46 (63)
F 15 14 12 11 10 (34)
50 M 467 391 327 274 219 (53)
F 76 70 63 58 51 (33)
60 M 1090 962 849 749 640 (41)
F 274 250 228 208 185 (32)
70 M 1545 1438 1338 1245 1138 (26)
F 684 625 571 522 466 (32)
M: males; F: females. MONICA lceland Study.
Table V. Total case fatality in per cent in myocardial
infarction patients aged 25-74. (Results from a model
fitted by logistic regression.)
Year Decrease in (%)
Age 1981 1985 1989 1993 1998 1981-1998
30 M 28 26 24 22 20 (26)
F 39 38 36 35 33 (15)
40 M 26 24 23 21 19 (26)
F 28 27 26 25 23 (17)
50 M 29 27 25 24 22 (26)
F 25 24 23 22 21 (17)
60 M 37 35 33 31 29 (23)
F 30 29 27 26 25 (16)
70 M 52 50 48 45 42 (19)
F 43 42 40 39 37 (14)
M: males; F: females. MONICA lceland Study.
Table VII. Per cent reduction in myocardial infarction
mortality 1981-1998 attributed to reduction in
incidence rate, recurrent rate and case fatality.
(Results from models fitted by regression.)
Age Incidence Recurrent Case Per cent total reduc- rate rate fatality tion 1981-1998 (%)
30 M 54 5 27 (86)
F 30 13 12 (56)
40 M 48 9 23 (80)
F 29 12 16 (57)
50 M 40 15 18 (73)
F 27 14 13 (54)
60 M 28 22 12 (63)
F 25 18 9 (52)
70 M 15 26 9 (50)
F 21 22 6 (50)
M: males; F: females. MONICA lceland Study.
vegur lækkun nýgengis þyngst bæði meðal karla (54
af 86, eða 62%) og kvenna (30 af 56, eða 53%) en þar
næst lækkun dánarhlutfalls. í eldri aldurshópum
breytist myndin nokkuð þannig að fækkun endur-
tekinna tilfella fær meira vægi.
í töflu VIII er sýnd í fyrsta lagi fækkun dauðsfalla
vegna kransæðastíflu meðal fólks 25-74 ára í rauntöl-
um, í öðru lagi fjöldi dauðsfalla sem búast hefði mátt
Læknablaðið 2001/87 893