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Methodological quality graph: review authors' judgements about each methodological quality item presented as percentages across all included studies.
Figuras y tablas -
Figure 1

Methodological quality graph: review authors' judgements about each methodological quality item presented as percentages across all included studies.

Methodological quality summary: review authors' judgements about each methodological quality item for each included study.
Figuras y tablas -
Figure 2

Methodological quality summary: review authors' judgements about each methodological quality item for each included study.

Comparison 1 Probiotic + Metronidazole versus placebo + Metronidazole, Outcome 1 Microbiological cure.
Figuras y tablas -
Analysis 1.1

Comparison 1 Probiotic + Metronidazole versus placebo + Metronidazole, Outcome 1 Microbiological cure.

Comparison 2 Vaginal probiotic capsules versus metronidazole vaginal gel, Outcome 1 Microbiological cure.
Figuras y tablas -
Analysis 2.1

Comparison 2 Vaginal probiotic capsules versus metronidazole vaginal gel, Outcome 1 Microbiological cure.

Comparison 2 Vaginal probiotic capsules versus metronidazole vaginal gel, Outcome 2 Resolution of symptoms as reported by patient.
Figuras y tablas -
Analysis 2.2

Comparison 2 Vaginal probiotic capsules versus metronidazole vaginal gel, Outcome 2 Resolution of symptoms as reported by patient.

Comparison 2 Vaginal probiotic capsules versus metronidazole vaginal gel, Outcome 3 Adverse effects.
Figuras y tablas -
Analysis 2.3

Comparison 2 Vaginal probiotic capsules versus metronidazole vaginal gel, Outcome 3 Adverse effects.

Comparison 3 Probiotic versus placebo (after open treatment with clindamycin ovules), Outcome 1 Microbiological cure.
Figuras y tablas -
Analysis 3.1

Comparison 3 Probiotic versus placebo (after open treatment with clindamycin ovules), Outcome 1 Microbiological cure.

Comparison 3 Probiotic versus placebo (after open treatment with clindamycin ovules), Outcome 2 Resolution of symptoms as reported by patient.
Figuras y tablas -
Analysis 3.2

Comparison 3 Probiotic versus placebo (after open treatment with clindamycin ovules), Outcome 2 Resolution of symptoms as reported by patient.

Comparison 3 Probiotic versus placebo (after open treatment with clindamycin ovules), Outcome 3 Clinical cure as reported by physician.
Figuras y tablas -
Analysis 3.3

Comparison 3 Probiotic versus placebo (after open treatment with clindamycin ovules), Outcome 3 Clinical cure as reported by physician.

Comparison 4 Probiotics with estriol versus placebo, Outcome 1 Microbiological cure.
Figuras y tablas -
Analysis 4.1

Comparison 4 Probiotics with estriol versus placebo, Outcome 1 Microbiological cure.

Comparison 4 Probiotics with estriol versus placebo, Outcome 2 Clinical cure as reported by physician.
Figuras y tablas -
Analysis 4.2

Comparison 4 Probiotics with estriol versus placebo, Outcome 2 Clinical cure as reported by physician.

Comparison 1. Probiotic + Metronidazole versus placebo + Metronidazole

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Microbiological cure Show forest plot

1

106

Odds Ratio (M‐H, Fixed, 95% CI)

0.09 [0.03, 0.26]

Figuras y tablas -
Comparison 1. Probiotic + Metronidazole versus placebo + Metronidazole
Comparison 2. Vaginal probiotic capsules versus metronidazole vaginal gel

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Microbiological cure Show forest plot

1

35

Odds Ratio (M‐H, Fixed, 95% CI)

0.27 [0.07, 1.10]

2 Resolution of symptoms as reported by patient Show forest plot

1

35

Odds Ratio (M‐H, Fixed, 95% CI)

0.27 [0.05, 1.57]

3 Adverse effects Show forest plot

1

35

Odds Ratio (M‐H, Fixed, 95% CI)

0.08 [0.01, 0.49]

Figuras y tablas -
Comparison 2. Vaginal probiotic capsules versus metronidazole vaginal gel
Comparison 3. Probiotic versus placebo (after open treatment with clindamycin ovules)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Microbiological cure Show forest plot

1

217

Odds Ratio (M‐H, Fixed, 95% CI)

1.21 [0.67, 2.19]

2 Resolution of symptoms as reported by patient Show forest plot

1

216

Odds Ratio (M‐H, Fixed, 95% CI)

0.75 [0.43, 1.32]

3 Clinical cure as reported by physician Show forest plot

1

224

Odds Ratio (M‐H, Fixed, 95% CI)

1.11 [0.65, 1.89]

Figuras y tablas -
Comparison 3. Probiotic versus placebo (after open treatment with clindamycin ovules)
Comparison 4. Probiotics with estriol versus placebo

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Microbiological cure Show forest plot

1

15

Odds Ratio (M‐H, Fixed, 95% CI)

0.02 [0.00, 0.47]

2 Clinical cure as reported by physician Show forest plot

1

17

Odds Ratio (M‐H, Fixed, 95% CI)

0.04 [0.00, 0.56]

Figuras y tablas -
Comparison 4. Probiotics with estriol versus placebo