Quarterly Surveillance Report - Minnesota Dept. of Health

Quarterly Surveillance Report
April 1, 2016 – June 30, 2016

Quarterly summary of the epidemiology of the confirmed cases of TB disease reported to the Minnesota Department of Health from April 1, 2016 – June 30, 2016, and cumulatively to date in 2016. This report is updated in February, April, July and October each year.

Updated 7/2016

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

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

21

(48)

27

(39)

Ramsey County

 11

(25)

15

(22)

Other Metropolitan Counties*

 5

(11)

  8

(12)

Olmsted County

 2

(  5)

  4

(  6)

Other Counties

 5

(11)

 15

(22)

Total

 44

(100)

 69

(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

  1

(  2)

  2

(  3)

Black

  22

(50)

  34

(49)

Hispanic/Latino

  2

(  5)

  7

(10)

Asian

  18

(41)

  25

(36)

Hawaiian/Other Pacific Islander

  0

(  0)

  0

(  0)

American Indian

  1

(  2)

  1

(  1)

Multi-Racial

  0

(  0)

  0

(  0)

Total

 44

(100)

 69

(100)

 

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

 

This Quarter

This Year to Date

Age

Number

(%)

Number

(%)

<5 years

 2

(  5)

 4

(  6)

5-14 years

 2

(  5)

 3

(  4)

15-24 years

 5

(11)

 9

(13)

25-44 years

 17

(39)

 26

(38)

45-64 years

 6

(14)

 14

(20)

> 65 years

12

(27)

13

(19)

Total

44

(100)

  69

(100)

 

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

 

   This Quarter (N=44)


       This Year to Date (N=69)

Risk Category

Number

(%)

Number

(%)

Foreign-born

  40

(91)

  61

(88)

Substance abuse+

  2

(  5)

  3

(  4)

Homeless

  1

(  2)

  2

(  3)

HIV-infected

  4

(  9)

  6

(  9)

Other Medical Condition**

  9

(20)

 14

(20)

Inmate

  0

(  0)

  0

(  0)

Nursing Home Resident

  1

(  2)

  1

(  1)

*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=34)*

     This Year to Date (N=57)*

Resistance Pattern

Number

(%)

Number

(%)

Any drug resistance**

9

(26)

13

(23)

Any INH resistance+

6

(18)

10

(18)

MDR-TB#

2

(  6)

4

(  7)

*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

23

(52)

39

(57)

Extrapulmonary

15

(34)

21

(30)

Both*

6

(14)

9

(13)

Total

44

(100)

69

(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

36

(82)

55

(80)

TB Contact Investigation

 1

(  2)

 5

(  7)

Refugee Health Exam (Domestic)

 0

(  0)

 0

(  0)

Pre-immigration exam (Overseas)

 5

(11)

 6

(  9)

Other*

 2

(  5)

 3

(  4)

Total

44

(100)

69

(100)

 

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

 

Updated Tuesday, July 26, 2016 at 03:04PM