Quarterly Surveillance Report
October 1, 2015 – December 31, 2015

The tables below describe the epidemiology of the confirmed cases of tuberculosis disease reported to the Minnesota Department of Health from October 1, 2015 – December 31, 2015, and cumulatively to date in 2015. Updated 2/16

NOTE: Percentages may not total 100% due to rounding.

Download PDF version formatted for print: Tuberculosis Quarterly Surveillance Report, October 1, 2015 – December 31, 2015 (PDF) Updated 2/16

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

22

(39)

57

(38)

Ramsey County

12

(21)

29

(19)

Other Metropolitan Counties*

8

(14)

25

(17)

Olmsted County

4

( 7)

12

( 8)

Other Counties

11

(19)

27

(18)


Total

57

(100)

150

(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

( 7)

12

( 8)

Black

40

(70)

84

(56)

Hispanic/Latino

0

( 0)

9

( 6)

Asian

12

(21)

40

(27)

Hawaiian/Other Pacific Islander

1

( 2)

1

( 1)

American Indian

0

( 0)

4

( 3)

Multi-Racial 0 ( 0) 0 ( 0)

Total

57

(100)

150

(100)

         
         

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

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

<5 years

0

( 0)

1

( 1)

5-14 years

5

( 9)

8

( 5)

15-24 years

9

(16)

14

( 9)

25-44 years

24

(42)

68

(45)

45-64 years

14

(25)

38

(25)

>65 years

5

( 9)

21

(14)


Total

57

(100)

150

(100)

         
         

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

 
This Quarter
(N=57)
This Year to Date (N=150)
Risk Category
Number
(%)
Number
(%)

Foreign-born

50

(88)

129

(86)

Substance abuse†

2

( 4)

11

( 7)

Homeless

1

( 2)

5

( 3)

HIV-infected

7

(12)

9

( 6)

Other Medical Condition**

11

(19)

37

(25)

Inmate

2

( 4)

3

( 2)

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=39)*
This Year to Date (N=112)*
Resistance Pattern
Number
(%)
Number
(%)

Any drug resistance**

6

(15)

14

(12)

Any INH resistance†

3

( 8)

8

( 7)

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

30

(53)

79

(53)

Extrapulmonary

21

(37)

54

(36)

Both*

6

(11)

17

(11)


Total

57

(100)

150

(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

49

(86)

130

(87)

TB Contact Investigation

0

( 0)

4

( 3)

Refugee Health Exam (Domestic)

2

( 4)

3

( 2)

Pre-immigration Exam (Overseas)

3

( 5)

4

( 3)

Other*

3

( 5)

9

( 6)


Total

57

(100)

150

(100)

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

Updated Thursday, February 18, 2016 at 02:40PM