Marga Hoogendoorn

34 Table 2. Continued Scoring system Nr. of articles Content Validity Reliability Validity Score Explanation Score Results Score Compared with: Results WiN-score 2 + Selection interventions with nurses 36 NS - +/- TISS 36 B-NMDS 78 r=0.74 r=0.89 [No name] 1 + Selection interventions with nurses 37 NS - +/- Time observations 37 No significant differences, results not stated SGI – Grading system 2 - Based on dataset, no nurses involved 38 NS - +/- TISS, NEMS 48 r=0.78, r 2 =0.62 AACN Synergy Model 4 + Description ratio by nursing experts 9, 39, 79, 80 NS - +/- Patient acuity-indicators 81 r=0.30-0.60 Time weighted nursing demand 1 NS - NS - +/- Actual staff 40 r 2 =0.83 AUKUH- dependency tool 1 NS - + Cronbach’s alpha 0.99 41 - Non-ICU Leeds system 41 r=0.77