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Table 3 Summary of findings table. Study characteristics for which data was extracted for each study are presented in this table. These include number of participants, length of follow-up, outcomes, relative risk and the GRADE assessment for quality of evidence and bias risk

From: Respiratory syncytial virus prophylaxis for prevention of recurrent childhood wheeze and asthma: a systematic review

RSV prophylaxis for prevention of recurrent childhood wheezing

Population: Pre-term and term infants

Intervention: RSV prophylaxis (palivizumab/motavizumab)

Comparison: No RSV prophylaxis

Study

No. of participants

Follow-up period

Outcomes

Intervention

Control

Relative risk (95% CI)

Quality of evidence GRADE

Comments

Simoes EAF [32]

421

2 Years

Wheeze

25/191

59/230

0.51 (CI = 0.33 to 0.78)

LOW ++

Observational cohort study

No wheeze

166/191

171/230

O’Brien KL [33]

1919

3 Years

Wheeze

35/1278

16/641

1.10 (CI = 0.61 to 1.97)

HIGH ++++

Randomised control trial

No wheeze

1243/1278

625/641

Mochizuki H [34]

440

6 Years

Wheeze

44/345

68/95

0.18 (CI = 0.13 to 0.24)

LOW ++

Case control

No wheeze

301/345

27/95

Carroll KN [35]

6566

6 Years

Wheeze

1056/4222

441/2344

1.33 (CI = 1.20 to 1.47)

VERY LOW +

Cohort study

• Confounding by indication

No wheeze

2966/4222

1902/2344

Scheltema NM [36]

395

6 Years

Wheeze

28/199

47/196

0.59 (CI = 0.38 to 0.90)

HIGH ++++

Randomised control trial

No wheeze

171/199

149/196

Igde M [37]

339

3 years

Wheeze

2/113

26/226

0.15 (CI = 0.038 to 0.63)

LOW ++

Observational study

No wheeze

111/113

200/226

Simoes MC [38]

445

3 Years

(average)

Wheeze

70/194

52/251

1.74 (CI = 1.28 to 2.37)

VERY LOW

Observational cross-sectional study

• Confounding by indication

No wheeze

124/194

199/251

Moreno-Galdo A [39]

670

3 Years

Wheeze

7/108

82/562

0.44 (CI = 0.21 to 0.90)

LOW

Observational study

No wheeze

101/108

480/5562