Table 3 Subgroup analysis of medical fields, stratified by funding source, comparing OR of favorable primary outcome between intervention and control groups

Profit

1.89 (1.65–2.17)

1.83 (1.50–2.22)

1.96 (1.57–2.44)

2.12 (1.36–3.30)

4.34 (2.72–6.94)

1.86 (1.00–3.45)

2.52 (1.59–3.97)

Mixed funding

1.55 (1.26–1.90)

1.17 (1.03–1.20)^a

1.45 (1.17–1.79)

1.57 (1.16–2.14)

1.46 (1.05–2.03)^a

1.05 (0.91–1.20)

1.49 (0.96–2.07)

Nonprofit

1.13 (0.87–1.43)^a

1.56 (1.37–1.76)^b

1.33 (1.18–1.50)^a

1.13 (0.97–1.32)^a

2.39 (1.20–4.77)

1.12 (0.96–1.29)

1.31 (1.23–1.41)^a