
S b nh nhân m c b nh laoố ệ ắ ệ ...................................................................................................... 19
T l %ỷ ệ ....................................................................................................................................... 19
<30 tu iổ ...................................................................................................................................... 19
6 .................................................................................................................................................. 19
2 .................................................................................................................................................. 19
33,33 ........................................................................................................................................... 19
30-39 tu iổ ................................................................................................................................... 19
61 ................................................................................................................................................ 19
3 .................................................................................................................................................. 19
4,92 ............................................................................................................................................. 19
40-49 tu iổ ................................................................................................................................... 19
37 ................................................................................................................................................ 19
5 .................................................................................................................................................. 19
13,51 ........................................................................................................................................... 19
50-59 tu iổ ................................................................................................................................... 19
226 .............................................................................................................................................. 19
6 .................................................................................................................................................. 19
2,65 ............................................................................................................................................. 19
T 60 tu i tr lênừ ổ ở ....................................................................................................................... 19
182 .............................................................................................................................................. 19
12 ................................................................................................................................................ 19
6,59 ............................................................................................................................................. 19
T ng c ngổ ộ .................................................................................................................................. 19
540 .............................................................................................................................................. 19
28 ................................................................................................................................................ 19
5,19 ............................................................................................................................................. 19
Nh n xét: Nghiên c u c a chúng tôi trên 540 đi t ng có tri u ch ng lâm sàng nghi lao có ậ ứ ủ ố ượ ệ ứ
t l m c b nh lao AFB (+) phân b theo đ tu i nh sau:T l phát hi n lao ph i d ng ỷ ệ ắ ệ ố ộ ổ ư ỷ ệ ệ ổ ươ
tính trong đ tu i < 30 chi m t l AFB d ng tính cao nh t 33,33%, đ tu i 30- 39 chi m ộ ổ ế ỷ ệ ươ ấ ộ ổ ế
t 4,92%, 40-49 tu i chi m 13,51%, t l d ng tính th p nh t là đ tu i 50-59 (2,65%).ỷ ổ ế ỷ ệ ươ ấ ấ ộ ổ . 19
3.9. M i liên quan gi a ho có đm và b nh lao AFB (+)ố ữ ờ ệ ......................................................... 19
Nh n xét: Đi t ng có tri u ch ng s t v chi u chi m 9,44%. Nh ng ng i có tri u ậ ố ượ ệ ứ ố ề ề ế ữ ườ ệ
ch ng s t v chi u có nguy c m c lao AFB (+) cao g p 3,5 l n nhóm ng i không m c ứ ố ề ề ơ ắ ấ ầ ườ ắ
tri u ch ng này.ệ ứ ......................................................................................................................... 20
Ch ng 4:BÀN LU Nươ Ậ .................................................................................................................. 20
4.1. T l m c lao ph i AFB (+) đi t ng nghiên c uỷ ệ ắ ổ ở ố ượ ứ .......................................................... 20
Ch ng 5: K T LU N ươ Ế Ậ ................................................................................................................. 27
Ch ng 6: KHUY N NGHươ Ế Ị .......................................................................................................... 28
TÀI LI U THAM KH O.Ệ Ả ............................................................................................................. 29