What do systematic reviews say?

Reactive air surfaces vs alternating pressure (active) air surfaces

It is very uncertain whether reactive air surfaces changes proportion of participants developing a new pressure ulcer compared with alternating pressure (active) air surfaces (very low certainty).

• Reactive air surfaces for preventing pressure ulcers 2021 · Cochrane Headline outcomes only
  RR 0.62 [0.35, 1.11]
  6 studies · 1648 participants
  Very low