Læknablaðið : fylgirit - 01.05.1978, Blaðsíða 120

Criteria
Iceland
Cohen & al.
(1) Facial erythema .. 52* (16) 63,7*
(2) Discoid lupus . . 10% (3) 17,1*
(3) Raynaud’s phenomaaon . . 16% (5) 20*
(4) Alopecia .. 26% (8) 43,3*
(5) Photosensitivity .. -55% (11) 36,7*
(6) Oral/nasopharyngeal ulcers. .. 16% (5) 15,1*
(7) Arthritis without deformity .. 11% (24) 89,8*
(8) I.E-cells (high ANF-titre).. .. 84* (26) 91,8*
(9) Chron. false pos. STS . . 10* (3) 11,8*
(10/ Profuse proteinuria . . 26* (8) 19,6*
(11) Cellular casts in urine.... .. 29* (9) 47,8*
(12) Pleuritis . . 42* (13) 60,4*
Pericarditis . . 16* (5) 18,8*
(12) Psychosis . . 10* (3) 19,2*
Convulsions . . 6* (2) 12,7*
(14) Haemolytic anaemia . . 3* (1) 16,3*
— Leucopenia (19) 39,6*
Thrombocytopenia . • 32* (10) 11,4*
Table 3: Incidence of positive criteria in the 31
definite SLE-cases.
Kain cause of death No (Iceland) Dubois & al. N=249
Uremia 6 26*
CNS-damagé 1 13*
Myocardial infarct 1 4*
Congest. heart failure 1 4*
Rupture of CNS-aneurysm.... 1
Drug abuse 1
Uncertain 1 10*
Miscellaneous 33*
Bronchopneumonia 10*
12 100*
Table 4: The principal causes of death in SLE.
figures from the Danish population14). Ali figuree
represent the HL-A antigen frequencies in the
corresponding group.
In table 6 there are listed the results from
tlie properdin factor B phenotype determinations.
Also included for comparison are results from
similar determinations on a randomly selected
group of Icelanders, carried out bj' Alfred Arna-
son Ph.D. and not officially published before.
Discussions:
The incidence figures from our study are quite
comparable with that found by Ieonhardt in Malmö
1955-'6: , 10,3/year/million11). The analogous
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