Comparison 5. Waterlow pressure ulcer risk assessment compared with Ramstadius pressure ulcer risk assessment.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pressure ulcer incidence	1	821	Risk Ratio (M‐H, Fixed, 95% CI)	1.41 [0.83, 2.39]
2 Pressure ulcer severity ‐ Stage 1	1	821	Risk Ratio (M‐H, Fixed, 95% CI)	1.16 [0.63, 2.15]
3 Pressure ulcer severity ‐ Stage 2	1	821	Risk Ratio (M‐H, Fixed, 95% CI)	2.49 [0.79, 7.89]