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Table 3 The result of a Poisson regression analysis; the probability of getting a PI assessed by PPI Tool risk classes

From: Validation of the Helsinki University Hospital prevent pressure Injury Risk Assessment Tool: a prospective observational study

N = 637

PI risk Classes

PIs (n)

Patients (n)

Relative risk (RR)

95% confidence interval (CI)

     

Lower

Upper

PPI

Tool

High-risk

2

10

2.771

1.170

4.371

Moderate-risk

2

148

1.210

-1.524

1.676

Low-risk

6

479