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. 2017 Sep 28;74(2):407–424. doi: 10.1111/jan.13444

Table 6.

Cross tabulation of PURPOSE‐T with the Waterlow and the Braden scales—overall risk

PURPOSE‐T overall risk status Waterlow overall risk status N (%) Correlation coefficient
At risk (≥10) Not at risk (<10) Total
At risk 175 (76.1) 8 (3.5) 183 (79.6) Phi 0.63—Moderate
Not at risk 18 (7.8) 29 (12.6) 47 (20.4)
Total 193 (83.9) 37 (16.1) 230 (100.0)
PURPOSE‐T overall risk status Braden overall risk status N (%) Correlation coefficient
At risk (≤18) Not at risk (>18) Total
At risk 50 (29.6) 73 (43.2) 123 (72.8) Phi 0.40—Moderate
Not at risk 0 (0.0) 46 (27.2) 46 (27.2)
Total 50 (29.6) 119 (70.4) 169 (100.0)