Table 2

Summary of findings for the effects of antituberculosis treatment compared with no antituberculosis treatment in infertile women with genital tuberculosis without structural damage

PopulationInfertile women with genital tuberculosis without structural damage (only PCR positive)
InterventionAntituberculosis treatment (orally isoniazid, rifampicin, pyrazinamide and ethambutol (HRZE) for 6 months)
ComparatorNo antituberculosis treatment
OutcomesNo of participants (studies)Antituberculosis treatmentNo antituberculosis treatmentRelative effect (95% CI)Absolute effectsCertainty of the evidence (GRADE)
Pregnancy follow-up: 12 months100 (1 RCT)25/50 (50%)21/50 (42%)RR: 1.17 (0.79 to 1.74)71 more per 1000 (from 88 fewer to 311 more)⊕ΟΟΟ *,† Very low
Full-term pregnancy
follow-up: 12 months
100 (1 RCT)21/50 (42%)19/50 (38%)RR: 1.09 (0.73 to 1.61)34 more per 1000 (from 103 fewer to 232 more)⊕ΟΟΟ *,† Very low
Abortion or intrauterine death
follow-up: 12 months
100 (1 RCT)3/50 (6%)1/50 (2%)RR: 1.53 (0.84 to 2.80)11 more per 1000 (from 3 fewer to 36 more)⊕ΟΟΟ *,† Very low
Ectopic pregnancy
follow-up: 12 months
100 (1 RCT)1/50 (2%)0/50 (0%)Not estimableNot estimable⊕ΟΟΟ *,† Very low
Adverse events
follow-up: 12 months
The study reported no adverse events in either group.
  • *We downgraded one level of evidence due to serious risk of bias: No blinding of participants and staff, and no blinding of outcome assessors.

  • †We downgraded two levels of evidence due to very serious imprecision.

  • GRADE, Grading of Recommendations, Assessment, Development and Evaluations; RCT, randomised controlled trial; RR, risk ratio.