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Table 2 Descriptive statistics of PIs

From: Prevalence of pressure injury on the medical wards of public general hospitals in Kuwait: a national cross-sectional study

 

n (%)

p

All admitted patients

1186

(100.0)

 

PI is(n = 203, %=100)

  

< 0.001

Community-acquired (CA)

118

(58.1)

 

Hospital-acquired (HA)

74

(36.5)

 

Community & hospital-acquired

11

(5.4)

 

PI prevalence [CI]

17.6%

[11.3–23.8]

< 0.001

HAPI prevalence [CI]

6.7%

[3.2–10.2]

0.001

CAPI prevalence [CI]

11.9%

[5.6–18.3]

< 0.001

Days till PI developed(n = 178, %=87.7)

  

< 0.001

Before/on admission

115

(64.6)

 

1–7

14

(7.9)

 

8–30

23

(12.9)

 

31–90

19

(10.7)

 

91–180

3

(1.7)

 

> 180

4

(2.2)

 

Median [IQR] (for HAPI)

18

[8.0–50.0]

0.553

PI duration(n = 178, %=87.7)

  

0.003

0–7

24

(13.5)

 

8–30

48

(27.0)

 

31–90

43

(24.2)

 

91–180

26

(14.6)

 

181–365

21

(11.8)

 

> 365

16

(7.9)

 

Median [IQR]

49

[16.5–171.8]

< 0.001

PI is related to medical device(n = 203, %=100)

  

< 0.001

No

180

(88.7)

 

Yes

23

(11.3)

 

Worst-stage PI distribution(n = 200, %=98.5)

  

< 0.001

Stage 1

45

(22.5)

 

Stage 2

88

(44.0)

 

Stage 3

45

(22.5)

 

Stage 4

19

(9.5)

 

Suspected deep tissue injury

3

(1.5)

 

Number of PI anatomic locations(n = 203, %=100)

  

0.491

1

149

(73.4)

 

2

36

(17.7)

 

3

15

(7.4)

 

4

2

(1.0)

 

7

1

(0.5)

 

Median [IQR]

1

[1.0–2.0]

0.244

PI anatomic site distribution1

   

Sacrum

168

(82.8)

0.287

Buttocks

28

(13.8)

0.253

Heels

27

(13.3)

0.026

Back

24

(11.8)

0.640

Thigh

7

(3.4)

0.799

Lower limbs

7

(3.4)

0.883

Hips

6

(3.0)

0.397

Elbow

5

(2.5)

0.796

Back of head

3

(1.5)

0.358

Anal region

1

(0.5)

0.902

Other sites

5

(2.5)

0.194

  1. n: number; %: percentage; p: p-value to determine differences between the seven hospitals as regard to the studied variables (statistically significant at p ≤.05); HAPI: hospital-acquired pressure injury; CAPI: community-acquired pressure injury; CI: 95% confidence interval; IQR: inter-quartile range; 1: Multiple answers are allowed; Statistical test used to determine statistical significance: † Chi-square test; ‡ Kruskal–Wallis test
  2. The national prevalence of PIs, HAPIs and CAPIs are the means of the seven hospitals’ prevalence values.