Quarterly Surveillance Report
July 1, 2014 - September 30, 2014

The tables below describe the epidemiology of the confirmed cases of tuberculosis disease reported to the Minnesota Department of Health from July 1, 2014, through September 30, 2014, and cumulatively to date in 2014.

Download PDF version formatted for print: Tuberculosis Quarterly Surveillance Report, July 1, 2014 - September 30, 2014 (PDF: 44KB/3 pages)

On this page:
Table 1. Number of Cases of Tuberculosis by Location of Residence, Minnesota
Table 2. Number of Cases of Tuberculosis by Race/Ethnicity, Minnesota
Table 3. Number of Cases of Tuberculosis by Age, Minnesota
Table 4. Number of Cases of Tuberculosis by Risk Category, Minnesota
Table 5. Number of Cases of Drug-Resistant Tuberculosis, Minnesota

Table 6. Number of Cases of Tuberculosis by Site of Disease, Minnesota
Table 7. Number of Cases of Tuberculosis by Method of Case Identification, Minnesota

Table 1. Number of Cases of Tuberculosis by Location of Residence, Minnesota

 
This Quarter
This Year to Date
Location of Residence
Number
(%)
Number
(%)

Hennepin County

11

(35)

31

(37)

Ramsey County

4

(13)

14

(17)

Other Metropolitan Counties*

6

(19)

13

(15)

Olmsted County

3

(10)

8

(10)

Other Counties

7

(23)

18

(21)


Total

31

(100)

84

(100)

         
*Anoka, Carver, Dakota, Scott, and Washington counties
         
         

Table 2. Number of Cases of Tuberculosis by Race/Ethnicity, Minnesota

 
This Quarter
This Year to Date
Race/Ethnicity
Number
(%)
Number
(%)

White

4

(13)

9

(11)

Black

12

(39)

34

(40)

Hispanic/Latino

3

(10)

9

(11)

Asian

12

(39)

30

(36)

Hawaiian/Other Pacific Islander

0

( 0)

0

( 0)

American Indian

0

( 0)

1

( 1)

Multi-racial

0

( 0)

1

( 1)


Total

31

(100)

84

(100)

         
         

Table 3. Number of Cases of Tuberculosis by Age, Minnesota

 
This Quarter
This Year to Date
Age
Number
(%)
Number
(%)

<5 years

1

( 3)

5

( 6)

5-14 years

2

( 6)

4

( 5)

15-24 years

9

(29)

19

(23)

25-44 years

8

(26)

28

(33)

45-64 years

6

(19)

16

(19)

>65 years

5

(16)

12

(14)


Total

31

(100)

84

(100)

         
         

Table 4. Number of Cases of Tuberculosis by Risk Category, Minnesota*

 
This Quarter
(N=31)
This Year to Date (N=84)
Risk Category
Number
(%)
Number
(%)

Foreign-born

24

(77)

66

(79)

Substance abuse†

0

( 0)

2

( 2)

Homeless

0

( 0)

1

( 1)

HIV-infected

0

( 0)

1

( 1)

Other Medical Condition**

8

(26)

17

(20)

Inmate

1

( 3)

1

( 1)

Nursing Home Resident

0

( 0)

0

( 0)

         
*Risk categories are not mutually exclusive.
†Alcohol abuse and/or illicit drug use
**Silicosis, diabetes, prolonged corticosteroid therapy or other immunosuppressive therapy, hematologic/reticuloendothelial disease, end stage renal disease, substantial weight loss (not TB-related) or undernutrition
         
         

Table 5. Number of Cases of Drug-Resistant Tuberculosis, Minnesota

 
This Quarter
(N=19)*
This Year to Date (N=58)*
Resistance Pattern
Number
(%)
Number
(%)

Any drug resistance**

4

(21)

14

(24)

Any INH resistance†

3

(16)

10

(17)

MDR-TB‡

0

(0)

0

(0)

         
*Culture-confirmed cases with drug susceptibility results available
**Resistant to at least one first-line anti-TB drug [i.e., isoniazid (INH), rifampin, pyrazinamide (PZA), or ethambutol]
†May also have resistance to other drugs
‡Multi-drug resistant TB (i.e., resistant to at least INH and rifampin)
         
         

Table 6. Number of Cases Tuberculosis by Site of Disease, Minnesota

 
This Quarter
This Year to Date
Site of Disease
Number
(%)
Number
(%)

Pulmonary

20

(65)

45

(54)

Extrapulmonary

10

(32)

30

(36)

Both*

1

( 3)

9

(11)


Total

31

(100)

84

(100)

         
*TB cases with both pulmonary and extrapulmonary sites of disease, including miliary TB
         
         

Table 7. Number of Cases of Tuberculosis by Method of Case Identification, Minnesota

 
This Quarter
This Year to Date
How Identified
Number
(%)
Number
(%)

Presented with Symptoms

23

(74)

68

(81)

TB Contact Investigation

2

( 6)

6

( 7)

Refugee Health Exam (Domestic)

0

( 0)

0

( 0)

Pre-immigration Exam (Overseas)

2

( 6)

3

( 4)

Other*

4

(13)

7

( 8)


Total

31

(100)

84

(100)

         
*e.g., occupational screening, other targeted TB testing, etc.
 
 

Updated Thursday, October 30, 2014 at 09:19AM