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Table 2 Total number of units reporting with data, required for reconfirm after screening, with outliers corrected, and false alarm rate by different approach

From: Input data quality control for NDNQI national comparative statistics and quarterly reports: a contrast of three robust scale estimators for multiple outlier detection

RN hours per patient day by unit type

IQR

MAD

FAST-MCD

 

N 0

N 1

N 2

N 3

Post

N 2

N 3

Post

N 2

N 3

Post

Critical Care

1940

55

110

8

5.45%

109

8

5.30%

158

11

8.81%

Step Down

1259

22

60

2

4.69%

54

1

4.36%

87

2

7.37%

Other

4895

119

189

18

3.78%

179

17

3.68%

246

21

5.47%

Rehabilitation

451

8

18

0

3.99%

16

0

3.55%

16

0

3.95%

Neonatal

366

11

38

5

10.1%

38

5

10.1%

44

5

13.3%

Pediatric Critical Care

152

5

7

1

5.26%

7

1

5.26%

7

1

5.88%

Pediatric Step Down

33

1

6

0

18.2%

6

0

18.2%

6

0

25.8%

Pediatric Medical

99

3

5

0

5.05%

10

1

9.09%

19

1

20.7%

Pediatric Surgical

37

2

3

1

5.41%

3

1

5.41%

4

1

8.33%

Psychology ChildAd

373

11

24

2

7.69%

22

2

7.69%

26

1

9.91%

Psychology Gerip

117

4

10

1

5.15%

10

1

5.15%

11

1

10.1%

Falls Indicators

Fall Rate

8555

25

290

1

3.42%

286

1

3.37%

479

2

6.18%

Injury Fall Rate

8555

10

300

0

3.50%

397

0

4.62%

2249

5

28.9%

Fall Prior Risk Assmnt

8555

11

1039

7

12.1%

-

-

 

-

-

 
  1. Note: N0: Total number of units with data.
  2. N1: Total number of units with indicator value changed after data cleaning.
  3. N2: Total number of units identified by each method for potential outlier check.
  4. N3: Total number of units with indicator value checked and corrected (or dropped).
  5. *: Denote the method failed.
  6. Post: False alarm rates for post clean data.