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Volume 9, Number 10—October 2003
Dispatch

Mycobacterium tuberculosis Beijing Genotype, the Netherlands

Martien W. Borgdorff*†Comments to Author , Petra de Haas‡, Kristin Kremer‡, and Dick van Soolingen‡
Author affiliations: *Royal Netherlands Tuberculosis Association, the Hague, the Netherlands; †University of Amsterdam, Amsterdam, the Netherlands; ‡National Institute of Public Health and the Environment (RIVM), the Hague, the Netherlands

Main Article

Table

Risk factors for the Beijing genotype of Mycobacterium tuberculosis, the Netherlands, 1993–2000

Risk factor Beijing genotype Total (%) Odds ratio
Crude Adjustedb (95% confidence intervals)
Y of diagnosis
1993
 23
 669
 3
 1.09
 1.08 (1.03 to 1.13)
1994
 41
 941
 4
 (per year)
1995
 56
 863
 6
1996
 50
 946
 5
1997
 64
 872
 7
1998
 58
 804
 7
1999
 74
 879
 8
2000
 49
 855
 6
Sex
Male
 254
 4,135
 6
 1
Female
 161
 2,694
 6
 0.97
Age group
<25
 120
 1,522
 8
 1
 1
25–34
 123
 1,925
 6
 0.80
 0.69 (0.53 to 0.91)
35–44
 64
 1,080
 6
 0.74
 0.60 (0.43 to 0.83)
45–54
 23
 614
 4
 0.45
 0.36 (0.23 to 0.57)
55–64
 24
 493
 5
 0.60
 0.55 (0.35 to 0.88)
65–74
 40
 517
 8
 0.98
 0.78 (0.52 to 1.15)
75+
 21
 678
 3
 0.37
 0.30 (0.18 to 0.50)
Nationality
Netherlands
 160
 2,825
 6
 1
 1
Europe (central and eastern)
 20
 231
 9
 1.58
 1.27 (0.77 to 2.09)
Turkey
 3
 339
 1
 0.15
 0.12 (0.04 to 0.38)
Morocco
 19
 650
 3
 0.50
 0.41 (0.25 to 0.68)
Somalia
 21
 957
 2
 0.37
 0.27 (0.17 to 0.44)
Africa (other)
 28
 594
 5
 0.82
 0.63 (0.41 to 0.96)
Asia
 140
 786
 18
 3.61
 3.01 (2.32 to 3.91)
Other
 19
 345
 6
 0.97
 0.86 (0.53 to 1.42)
Unknown
 5
 102
 5
 0.86
 0.73 (0.29 to 1.84)
RFLP clusteringa
No
 212
 3,227
 7
 1
Yes, first case
 57
 1,052
 5
 0.81
Yes, later case
 146
 2,550
 6
 0.86
Localization
Pulmonary
 268
 4,064
 7
 1
Extrapulmonary
 113
 2,122
 5
 0.80
Pulmonary and extrapulmonary
 34
 643
 5
 0.79
Residing in Netherlands
<6 months
 46
 641
 7
 1
6–11 mo
 12
 301
 4
 0.54
12–23 mo
 28
 358
 8
 1.10
2–4 y
 53
 767
 7
 0.96
>5 y
 122
 1,710
 7
 0.99
Born in Netherlands
 117
 2,437
 5
 0.65
No information
 37
 615
 6
 0.83
Drug resistance
Susceptible
 332
 5,910
 6
 1
H only
 11
 227
 5
 0.86
S only
 34
 358
 9
 1.76
Other patterns
 26
 221
 12
 2.24
Multidrug-resistant
 9
 53
 17
 3.44
Unknown
 3
 60
 5
 0.88
Multidrug resistance
Yes
 9
 53
 17
 3.21
 2.64 (1.22 to 5.74)
No
 406
 6,776
 6
 1
 1
HIV infection
Yes
 14
 294
 5
 0.76
No 401 6,535 6 1

aRFLP, restriction fragment length polymorphism.

bAdjusted for year of diagnosis, age, nationality, and multidrug resistance

Main Article

Page created: January 11, 2011
Page updated: January 11, 2011
Page reviewed: January 11, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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