Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,372 questions · 3,874 findings · 666 reviews

No studies found 431 · 11.1%GRADE not reported 783 · 20.2%Very low 995 · 25.7%Low 909 · 23.5%Moderate 596 · 15.4%High 160 · 4.1%

Intervention not reported

2a. Adequate immune response (seroprotection) against diphtheria (surrogate outcome) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention showed no clear difference in 2a. Adequate immune response (seroprotection) against diphtheria… (moderate certainty).

1 finding from 1 review

Intervention not reported

2b. Adequate immune response (seroprotection) against tetanus (surrogate outcome) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention showed no clear difference in 2b. Adequate immune response (seroprotection) against tetanus… (moderate certainty).

1 finding from 1 review

Intervention not reported

2c. Adequate immune response (seroprotection) against pertussis (not measured) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

2d. Adequate immune response (seroprotection) against Haemophilus influenzae type b disease (surrogate outcome) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention showed no clear difference in 2d. Adequate immune response (seroprotection) against Haemophilus… (moderate certainty).

1 finding from 1 review

Intervention not reported

Pain (not measured) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

4a. Procedural crying (during and immediately after the vaccination procedure) (not measured) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

2b. Adequate immune response (seroprotection) against tetanus (surrogate outcome) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention showed no clear difference in 2b. Adequate immune response (seroprotection) against tetanus… (moderate certainty).

1 finding from 1 review

Intervention not reported

4b. Persistent inconsolable crying4 · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

It is very uncertain whether the intervention changes 4b. Persistent inconsolable crying4 (very low certainty).

1 finding from 1 review

Intervention not reported

Severe local reaction8 · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention probably leads to lower severe local reaction8 (moderate certainty).

1 finding from 1 review

Intervention not reported

Non‐severe local reaction11 · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention probably leads to lower non‐severe local reaction11 (moderate certainty).

1 finding from 1 review

Intervention not reported

Fever15 · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

It is very uncertain whether the intervention changes fever15 (very low certainty).

1 finding from 1 review

Intervention not reported

2c. Adequate immune response (seroprotection) against pertussis (not measured) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

2d. Adequate immune response (seroprotection) against Haemophilus influenzae type b disease (surrogate outcome) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention probably leads to higher 2d. Adequate immune response (seroprotection) against Haemophilus… (moderate certainty).

1 finding from 1 review

Intervention not reported

Pain (not measured) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

4a. Procedural crying (during and immediately after the vaccination procedure) (not measured) · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

4b. Persistent inconsolable crying4 · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

It is very uncertain whether the intervention changes 4b. Persistent inconsolable crying4 (very low certainty).

1 finding from 1 review

Intervention not reported

Severe local reaction8 · infants aged approximately 2 to 6 months undergoing vaccination in the anterolateral thigh with a DTwP‐Hib vaccine

The intervention probably leads to lower severe local reaction8 (moderate certainty).

1 finding from 1 review

Low tidal volume vs high tidal volume

All‐cause mortality · adults (aged > 16 years) without acute lung injury needing mechanical positive pressure ventilation during their surgery and undergoing…

Low tidal volume showed no clear difference in mortality compared with high tidal volume (low certainty).

1 finding from 1 review

Low tidal volume vs high tidal volume

Pneumonia · adults (aged > 16 years) without acute lung injury needing mechanical positive pressure ventilation during their surgery and undergoing…

Low tidal volume probably leads to lower pneumonia compared with high tidal volume (moderate certainty).

1 finding from 1 review

Low tidal volume vs high tidal volume

Need for postoperative non‐invasive ventilatory support · adults (aged > 16 years) without acute lung injury needing mechanical positive pressure ventilation during their surgery and undergoing…

Low tidal volume probably leads to lower need for postoperative non‐invasive ventilatory support compared with high tidal volume (moderate certainty).

1 finding from 1 review