Table 1 Descriptive statistics of patients with PIs

Patients with PI

203

(100.0)

Sex(n = 203, %=100)

0.027^†

Male

101

(49.8)

Female

102

(50.2)

Age distribution in years(n = 203, %=100)

0.245^†

16–25

5

(2.5)

26–40

11

(5.4)

41–55

15

(7.4)

56–70

62

(30.5)

71–85

88

(43.3)

86–100

22

(10.8)

Median [IQR]

73

[63–80]

0.253^‡

BMI distribution(n = 26, %=12.8)

0.218^†

Underweight (< 18.5)

2

(7.7)

Normal (18.5– <25)

6

(23.1)

Overweight (25– <30)

10

(38.5)

Obesity class I (30– <35)

2

(7.7)

Obesity class II (35– <40)

4

(15.4)

Obesity class III (≥ 40)

2

(7.7)

Mean [SD]

29.1

[6.8]

0.402*

Length of stay distribution in days(n = 203, %=100)

0.194^†

0–7

22

(10.8)

8–30

48

(23.6)

31–90

50

(24.6)

91–180

31

(15.3)

181–365

30

(14.8)

> 365

22

(10.8)

Median [IQR]

54

[21–185]

< 0.001^‡

Number of co-morbidities(n = 203, %=100)

< 0.001^†

1

3

(1.5)

2

173

(85.2)

3

25

(12.3)

4

2

(1.0)

Median [IQR]

2

[2–2]

< 0.001^‡

Co-morbidities¹

Chronic disease

203

(100.0)

Immobility/reduced mobility

200

(98.5)

0.277^†

Sepsis

15

(7.4)

< 0.001^†

Spinal cord injury

3

(1.5)

0.791^†

Dehydration

1

(0.5)

0.307^†

Vasopressor infusion

1

(0.5)

0.472^†

Others

9

(4.4)

< 0.001^†

Mobility condition/ Activity(n = 203, %=100)

0.050^†

Immobile

195

(96.1)

Mobile with assistance

8

(3.9)

Braden scale assessment score documented(n = 203, %=100)

< 0.001^†

No

166

(81.8)

Yes

37

(18.2)

Braden scale score range(n = 37, %=18.2)

< 0.001^†

Low risk (19–23)

1

(2.7)

Mild risk (15–18)

1

(2.7)

Moderate risk (13–14)

9

(24.3)

High risk (10–12)

12

(32.4)

Severe risk (≤ 9)

14

(37.8)

Mean [SD]

10.8

[3.0]

< 0.001*