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Table 1 Characteristics of studies included in the meta-analysis

From: Epidemiology of Listeria monocytogenes prevalence in foods, animals and human origin from Iran: a systematic review and meta-analysis

Author

Publication year

Years of study

City or Province/Region

Diagnostic method

Sample source

Types food/animal species/Human

Study design

Sample size

L. monocytogenes

Predominant serotypes

L. innocua

Total

Ref

Firouzi et al.

2000

UN

Shiraz/South

Culture

Human

Slaughter houses

Cross sectional

130

0

0

3

6

Akhondzadeh Basti et al.

2004

UN

Tehran and Guilan/North

Culture

Food

Fresh fish, salted and smoked fish

Cross sectional

120

4

4b

7

Moshtaghi et al.

2007

2005

Shahrekord/Central

Culture

Food

Raw milk

Cross sectional

500

8

4b

3

11

8

Rahimi et al.

2008

2006–2007

Isfahan/Central

Culture

Animal

Cattle

Cross sectional

200

6

9

Jalali et al.

2008

2003–2005

Isfahan/ Central

PCR

Food

Meat, diary, vegetables products ready to eat food

Cross sectional

461

7

13

27

4

Jamshidi et al.

2009

2002–2003

Bandar Abbas/South

Serology

Human

‘Spontaneous abortion, control group

Case-control study

450

124

10

Jami et al.

2010

2008

Mashhad/Northeast

PCR

Food

Raw milk

Cross sectional

100

4

11

Rahimi et al.

2010

2007–2009

Isfahan/Central

PCR

Food

Milk,dairy products

Cross sectional

594

18

32

55

12

Mahmoodi et al.

2010

UN

Noorabad/South

Culture

Food

Raw milk, White cheese, yoghurt

Cross sectional

360

6

13

Lotfollahi et al.

2011

2009–2010

Tehran/North

Culture

Human

Spontaneous abortions

Cross sectional

100

9

14

Rahimi et al.

2011

UN

Tehran/North

Culture

Human

Pregnant mothers

Cross sectional

512

5

15

Rahimi et al.

2011

2009–2010

Isfahan and Shahrekord/Central

PCR

Food

Sea food

Cross sectional-

264

5

15

20

16

Ghasemian Safaei et al.

2011

2008

Shahrekord/Central

Culture

Food

Eggs

Cross sectional

100

0

17

Goudarzi et al.

2012

2011

Karaj/North

PCR

Human

Women with septic abortion

Cross sectional

87

12

18

Fallah et al.

2012

2010–2011

Shahrekord/Central

PCR

Food

Poultry product

Cross sectional

402

52

4b, 1/2a, 1/2b, 1/2c

62

134

2

Zarei et al.

2012

UN

Ahvaz/Southwest

PCR

Food

Raw/fresh,frozen, and ready-to-eat (RTE) seafood

Cross sectional

245

2

19

Hosseinzadeh et al.

2012

2009

Shiraz/South

PCR

Animal

Poultry flocks

Cross sectional

100

7

20

Safarpoor Dehkordi et al.

2012

2011

Various parts of Iran

Real-Time PCR

Food

Milk

Cross sectional-

596

69

21

Animal

Vaginal swab/Urine samples

1575

158

Rahimi et al.

2012

2009–2010

Chahar Mahal & Bakhtiyari/Central and South

Culture and PCR

Food

Dairy products

Cross sectional

290

5

14

21

22

Rahimi et al.

2012

2010–2011

Various parts of Iran

PCR

Food

Raw meats

Cross sectional

1107

27

98

141

23

Seifi et al.

2012

2009–2010

North and west

PCR

Animal

Broiler fl ocks

Cross sectional

490

44

24

Fallah et al.

2013

2011–2012

Shahrekord/ Central

PCR

Food

Raw and RTE seafood product

Cross sectional

462

35

1/2a, 4b, 1/2c, 1/2b, 4c

25

Jamali et al.

2013a

2008–2010

Tehran/North

PCR

Food

Raw milk

Cross sectional

446

18

1/2a, 3a; 1/2c, 3c; 4b, 4d, 4e

48

83

26

Jamali et al.

2013b

2008–2010

Tehran/North

PCR

Food

Milk

Cross sectional

207

17

(4b, 4d or 4e), (1/2a or 3a), (1/2b, 3b or 7), (1/2c or 3c)

3

21

27

Sohrabi et al.

2013

UN

Isfahan/Central

Culture

Food

Poultry meat

Cross sectional

52

1

11

12

28

Vahedi et al.

2013

2011

Sari/North

Culture

Food

Milk

Cross sectional

200

0

29

Momtaz et al.

2013

2010–2011

Isfahan and Shahrekord/Central

PCR

Food

Fresh fish/shrimp samples

Cross sectional

300

18

4b, 1/2b, 1/2a

2

24

30

Salehian et al.

2013

2012

Sari/North

Culture

Food

Traditional ice cream

Cross sectional

50

1

 

31

Zarei et al.

2013

UN

Ahvaz/ Southwest

PCR

Food

Beef, buffalo and lamb meats

Cross sectional

210

7

32

Akya et al.

2013

UN

Kermanshah/West

Culture

Food

Dairy, meat, products,RTE

Cross sectional

530

3

56

66

33

Shakib et al.

2013

UN

Lorestan/West

PCR

Human

Pregnant women

Cross sectional

100

0

34

Rahimi et al.

2014

2010–2011

Fars and Khuzestan/South and Southwest

PCR

Food

Bulk milk, camel, Water, buffalo, ovine, caprine,

Cross sectional

260

7

13

27

3

Eslami et al.

2014

2012–2013

Tehran/North

PCR

Human

Women with abortion

Cross sectional

96

16

35

Alidoosti et al.

2014

2012

Isfahan/Central

Culture

Animal

domestic dogs

 

92

1

1/2b

36

Jamali et al.

2014

2008–2010

Tehran/North

Culture

Animal

Duck, goose intestinal contents

Cross sectional

471

19

5

58

37

Moosavy et al.

2014

UN

Tabriz/Northwest

Culture

Food

Raw milk

Cross sectional

18

9

38

Haghi et al.

2015

2014

Zanjan/West

PCR

Food

Bovine milk, ovine milk

Cross sectional

60

0

39

Haghroosta et al.

2015

UN

Ahvaz/ Southwest

Serologic

Human

Pregnant women with spontaneous abortion and healthy pregnant women

Cross sectional

180

43

40

Jamali et al.

2015

2012–2014

Mazandaran/North

PCR

Food

Raw fish

Cross sectional

488

104

1/2a, 4b, 1/2b

34

37

41

Soltan Dallal et al.

2015

2013

Tehran/North

Culture

Food

Vegetables, salads

Cross sectional

200

1

48

42

Mashak et al.

2015

2011–2012

Tehran/North

Culture

Food

Fresh, frozen meats

Cross sectional

410

115

1/2a, 4b, 4c, 3b

43

Mansouri-Najand et al.

2015

2011

Kerman/Central

PCR

Food

Raw milk

Cross sectional

100

5

44

Pourkaveh et al.

2016

2015

Tehran/North

PCR

Human

Women with spontaneous abortion

Cross sectional

317

54

45

Abdollahzadeh et al.

2016

2014–2015

Karaj and Tehran/North

PCR

Food

Fish, shrimp, RTE seafood

Cross sectional

201

5

1/2b, 3b, 7, 1/2a, 3a

18

46

Pournajaf et al.

2016

2012–2015

Tehran/North

PCR

Human

Patients with spontaneous abortions

Cross sectional

170

14

47

Food

Dairy products/meat,

317

20

Animal

Domestic animals

130

12

Zeinali et al.

2017

2013

Mashhad/North east

PCR

Animal

Fresh chicken carcasses

Cross sectional

200

36

23

80

48

Lotfollahi et al.

2017

2013–2015

Tabriz/North west

PCR

Food

Sausage, milk, cheese, chicken, meat

Cross sectional

267

8

(1/2c or 3c), (4b, 4d or 4e), (1/2a or 3a)

49

Human

Pregnant woman with a abortion

125

11

Animal

Goat and sheep carcasses

50

3