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Table 4 Cross-tabulation of the overall clinical assessment by independent clinical assessor and clinical research nurse/practitioner (CRN/P)

From: Pressure Relieving Support Surfaces: a Randomised Evaluation 2 (PRESSURE 2): using photography for blinded central endpoint review

 

Independent assessor

Kappa

PABAK

Healthy, altered or category 1 PU

Category 2, 3, 4 or unstageable

Overall

Overall

CRN/P

Healthy, altered or category 1 PU

150 (90.4%)

5 (3.0%)

155 (93.4%)

0.58

0.89

Category 2, 3, 4 or unstageable

4 (2.4%)

7 (4.2%)

11 (6.6%)

Overall

154 (92.8%)

12 (7.2%)

166m (100.0%)

APM

CRN/P

Healthy, altered or category 1 PU

61 (84.7%)

5 (6.9%)

66 (91.7%)

0.58

0.83

Category 2, 3, 4 or unstageable

1 (1.4%)

5 (6.9%)

6 (8.3%)

Overall

62 (86.1%)

10 (13.9%)

72 (100.0%)

HSFM

CRN/P

Healthy, altered or category 1 PU

89 (94.7%)

0 (0.0%)

89 (94.7%)

0.56

0.94

Category 2, 3, 4 or unstageable

3 (3.2%)

2 (2.1%)

5 (5.3%)

Overall

92 (97.9%)

2 (2.1%)

94m (100.0%)

  1. mOne patient was excluded from the comparison with the clinical research nurse because no baseline or follow-up forms were received