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Table 1 Wilcoxon Signed Ranks Test for VAP

From: Implementation of the "FASTHUG" concept decreases the incidence of ventilator-associated pneumonia in a surgical intensive care unit

Ranks

  

N

Mean Rank

Sum of Ranks

SICU Year 2 – SICU Year 1

Negative Ranks

5 (a)

8.00

40.00

 

Positive Ranks

7 (b)

5.54

38.00

 

Ties

0 (c)

  
 

Total

12

  

SICU Year 3 – SICU Year 1

Negative Ranks

9 (d)

7.44

67.00

 

Positive Ranks

3 (e)

3.67

11.00

 

Ties

0 (f)

  
 

Total

12

  

SICU Year 3 – SICU Year 2

Negative Ranks

9 (g)

7.22

65.00

 

Positive Ranks

3 (h)

4.33

13.00

 

Ties

0 (i)

  
 

Total

12

  
  1. a. SICU Year 2 < SICU Year 1
  2. b. SICU Year 2 > SICU Year 1
  3. c. SICU Year 2 = SICU Year 1
  4. d. SICU Year 3 < SICU Year 1
  5. e. SICU Year 3 > SICU Year 1
  6. f. SICU Year 3 = SICU Year 1
  7. g. SICU Year 3 < SICU Year 2
  8. h. SICU Year 3 > SICU Year 2
  9. i. SICU Year 3 = SICU Year 2
  10. VAP = ventilator-associated pneumonia
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Patient Safety in Surgery

ISSN: 1754-9493