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Table 2 Characteristics of studies on drug resistance traits of medically important bacteria isolated from commercial herbal medicine in Africa from 2000 to 2021 (N = 18)

From: Antibiotic-resistance in medically important bacteria isolated from commercial herbal medicines in Africa from 2000 to 2021: a systematic review and meta-analysis

First author, year

Country

Malady

Study design

Sampling technique

Sample size

SRB (N)

Total bacteria isolated

Bacteria Screened

Bacteria ROD [N, (%)]; Species

MDR Bacteria [N, (%)]; Species

Least potent drugs

MDR phenotypes/genotypes

Resistance Plasmids (N)

References

Abdela et al. 2016

Ethiopia

UTI, Mycoses, Cancer, Paralysis, Diarrhea, Malaria

CSD

Purposive

55

50

150

150

131, (87.3%); E. coli, S. aureus, S. pyogenes, P. aeruginosa, Bacillus spp., E. cloacae, S. dysenteriae, K. pneumoniae, S. epidermidis, S. saprophyticus, Salmonella spp., Enterobacter spp., Klebsiella spp., Providencia spp., Citrobacter spp., Serratia spp., Acinetobacter spp.

125, (83.4%); Salmonella spp., Enterobacter spp., Klebsiella spp., Providencia spp., Citrobacter spp., Serratia spp., Acinetobacter spp., E. coli, S. aureus, S. pyogenes, P. aeruginosa, Bacillus spp., E. cloacae, S. dysenteriae, K. pneumoniae, S. epidermidis, S. saprophyticus

Ampicillin*, AMC**

NT

NT

[34]

Kidus et al. 2020

Ethiopia

Jaundice, Constipation

CSD

Purposive

50

18

39

39

25, (64%); E. coli, Bacillus spp., Micrococcus spp.

13, (33.3%); Bacillus spp., E. coli

Ampicillin*, Rifampicin**

NT

NT

[35]

Keter et al. 2016

Kenya

Malaria, Typhoid, Hypertension, Pneumonia, allergies, STDs, Cancer, Diabetes, Impotence, Wounds, UTIs, HIV

Exp, Ept

Purposive

100

13

164

106

14; (13.2%); Sintermedius, S. erwania, Proteus spp., Shigella spp., K. pneumonia, E. coli, Enterobacter spp., Citrobacter spp.

3, (2.8%); K. pneumoniae, Shigella spp., S. erwania, Enterobacter spp., Proteus spp., E. coli, Citrobacter spp.

Cefepime*, Cefotaxime**

NT

NT

[36]

Korir et al. 2017

Kenya

Unspecified

Exp, Ept

Purposive

138

35

101

96

96, (100%); E. cloacae, P. penneri, C. diversus, E. aerogenes, K. pneumoniae, E. cloacae

2; (2%); E. cloacae

Ceftazidime*, Cefotaxime**

ESBL

NT

[14]

Oluwasegun et al. 2018

Nigeria

Unspecified

LSD

Purposive

32

32

41

24

24, (100%); E. coli, V. chole, S. typhi, S. aureus

20, (83%); V. cholerae S. typhi, S. aureus,E. coli

Ceftazidime*, Ciprofloxacin**

NT

NT

[37]

Archibong et al. 2017

Nigeria

Unspecified

CSD

Purposive

60

49

94

50

50, (100%); Bacillus spp., Streptococcus spp., A. baumannii, E. coli

15, (30%); E. coli,Bacillus spp., Enterobacter spp., S. aureus

Streptomycin*, AMC**

NT

NT

[38]

Stanley et al. 2018

Nigeria

Unspecified

CSD

Random

40

18

30

30

22, (73%); E. coli, S. aureus, Klebsiella spp., P. aeruginosa

20, (67%); E. coli, S. aureus, Proteus spp., Klebsiella spp.

Ceftazidime*, Ciprofloxacin**

NT

NT

[39]

Abba et al. 2009

Nigeria

Unspecified

CSD

Random

150

0

285

285

0

0

0

NT

NT

[40]

Ejukonemu et al. 2019

Nigeria

Typhoid, Malaria, Erectiledysfunction, general Infections, Rheumatism

CSD

Random

25

25

53

53

53, (100%); Klebsiella spp.,E. coli, Salmonella spp., S. aureus, P. mirabilis, Enterobacter spp.

53, (100%); Klebsiella spp., Salmonella spp., E. coli, S. aureus, Proteus spp.

Ampicillin*, Ceporex**

NT

NT

[41]

Osungunna et al. 2010

Nigeria

Annal fistula

CSD

Purposive

10

10

20

20

17, (85%); P. aeruginosa, Klebsiella spp., S. aureus

0

Nalidixic acid*, Ofloxacin**

NT

NT

[42]

Esimone et al. 2007

Nigeria

Unspecified

CSD

Random

26

11

75

75

75, 100%; B. cereus, B. subtilis, E. coli, Streptococcus spp., S. epidermidis, K. pneumoniae, S. aureus, Serratia spp., Lactobacillus spp., Citrobacter spp., Listeria spp., P. aeruginosa

75, 100%; B. cereus, B. subtilis, E. coli,Streptococcus spp., S. epidermidis, K. pneumoniae, S. aureus, Serratia spp., Lactobacillus spp, Citrobacter spp., Listeria spp., P. aeruginosa

Cefuroxime*, Nitrofurantoin**

NT

NT

[43]

Omoruyi et al. 2017

Nigeria

Unspecified

CSD

Random

10

10

10

6

6, (100%); E. coli, Klebsiella spp., Citrobacter spp., Serratia spp.

6; 100%; E. coli, Klebsiella spp., Citrobacter spp., Serratia spp.

Ceftazidime*, AMC**

ESBL

NT

[44]

Ujam et al. 2013

Nigeria

Unspecified

CSD

Random

20

18

49

45

45, 100%; E. coli, P. aeruginosa, Staphylococcusspp., Salmonella spp., Streptococcus spp., Bacillus spp., Proteus spp., Yersinia spp., C. diphtheria

45, (100%); E. coli, P. aeruginosa S. aureus, Salmonella spp., Streptococcusspp, Bacillus spp., Proteus spp., Yersinia spp., C. diphtheria

Cotrimoxazole*, Ampicillin**

NT

NT

[45]

Braide et al. 2013

Nigeria

Typhoid, STDs, Piles, Stomach aches, Diabetes, Headache,Skin infections, Toothache

CSD

Random

10

10

45

34

34, (100%); S. aureus, E. faecalis, B. subtilis, C. diphtheriae, M. luteus

0

Amoxicillin*, Chloramphenicol**

NT

NT

[46]

Nwankwo et al. 2021

Nigeria

Unspecified

CSD

Unspecified

150

130

315

274

274, (100%); Salmonella spp, E. coli, P. vulgaris, Citrobacter freundii, P. aeruginosa, K. pneumonia,S. aureus, Streptococcus spp.

98, (36%); Salmonella spp., E. coli, Proteus spp., K. pneumoniae

AMC*, Ciprofloxacin**

ESBL

6

[47]

Govender et al. 2006

South Africa

HIV/AIDS-related complications

CSD

Unspecified

15

10

32

20

16, (80%); S. aureus, B. cereus

5, (31%); S. aureus

Methicillin*, Vancomycin**

NT

NT

[29]

Kira 2015

Tanzania

Unspecified

CSD

Random

50

9

40

32

17, (43%); S. aureus, E. coli

5, (16%); E. coli, S. aureus

Vancomycin*, Cefotaxime**

NT

NT

[48]

Niyoshima 2016

Uganda

Unspecified

CSD

Random

170

37

69

60

60, (100%); S. aureus

0

Penicillin*

NT

NT

[49]

  1. Key: CSD; Cross-sectional Design, Ept; Exploratory, Exp; Experimental, SRB; Samples with resistant bacteria, ROD; Resistant to at least one drug, MDR; Multidrug-Resistant, STDs; Sexually Transmitted Disease, UTIs; Urinary Tract Infections, HIV; Human Immunodeficiency Virus, AMC; Amoxicillin + Clavulanate, NT; Not Tested, Ref; Reference,
  2. P. aeruginosa = Pseudomonas aeruginosa, E. coli = Escherichia coli, S. aureus = Staphylococcus aureus; K. pneumoniae; Klebsiella pneumoniae, *; Least potent drug, **; Second least potent drug, LSD; Longitudinal Study Design, ESBL; Extended Spectrum Beta Lactamases, MW; Molecular Weight, kb; kilobases