Table 1 Characteristics of included patients.

From: Risk factors for hospital-acquired pressure injury in neurosurgery inpatients: a real-world prospective cohort study

Variables

Overall

Non-HAPI

HAPI

 

n = 1165

n = 1123

n = 42

Female, n (%)

463 (39.7)

448 (39.9)

15 (35.7)

Age (median [IQR]), y

67.00 [54.00, 74.00]

67.00 [54.00, 74.00]

68.00 [63.25, 73.50]

Body mass index, n (%)

   

18.5–25 kg/m2

719 (61.7)

689 (61.4)

30 (71.4)

< 18.5 kg/m2

89 (7.6)

87 (7.7)

2 (4.8)

25–30 kg/m2

314 (27.0)

304 (27.1)

10 (23.8)

> 30 kg/m2

43 (3.7)

43 (3.8)

0 (0.0)

Smoking, n (%)

321 (27.6)

308 (27.4)

13 (31.0)

Diabetes mellitus, n (%)

86 (7.4)

82 (7.3)

4 (9.5)

Surgical intervention, n (%)

183 (15.7)

169 (15.0)

14 (33.3)

Administration of vasoactive medications,

57 (4.9)

49 (4.4)

8 (19.0)

n (%)

Administration of hormones, n (%)

37 (3.2)

32 (2.8)

5 (11.9)

Administration of antibiotics, n (%)

348 (29.9)

319 (28.4)

29 (69.0)

Administration of sedatives, n (%)

199 (17.1)

177 (15.8)

22 (52.4)

Administration of analgesics, n (%)

415 (35.6)

393 (35.0)

22 (52.4)

Administration of anticoagulants, n (%)

6 (0.5)

5 (0.4)

1 (2.4)

Hemiplegia, n (%)

164 (14.1)

145 (12.9)

19 (45.2)

Edema, n (%)

24 (2.1)

14 (1.2)

10 (23.8)

Urinary incontinence, n (%)

100 (8.6)

92 (8.2)

8 (19.0)

Fecal incontinence, n (%)

53 (4.5)

48 (4.3)

5 (11.9)

Nutritional therapy, n (%)

   

No

6 (0.5)

6 (0.5)

0 (0.0)

Enteral nutrition

213 (18.3)

184 (16.4)

29 (69.0)

Parenteral nutrition

52 (4.5)

51 (4.5)

1 (2.4)

Normal diet

894 (76.7)

882 (78.5)

12 (28.6)

Nutrition days (median [IQR]), d

9.00 [5.00, 16.00]

9.00 [5.00, 15.00]

20.00 [7.00, 33.50]

Fasting days (median [IQR]), d

0.00 [0.00, 0.00]

0.00 [0.00, 0.00]

0.00 [0.00, 9.50]

Days in bed (median [IQR]), d

7.00 [3.00, 13.00]

6.00 [3.00, 13.00]

24.00 [12.25, 39.25]

Mechanical ventilation duration

0.00 [0.00, 0.00]

0.00 [0.00, 0.00]

1.00 [0.00, 15.00]

(median [IQR]), d

Physical restriction duration

0.00 [0.00, 0.00]

0.00 [0.00, 0.00]

0.00 [0.00, 7.00]

(median [IQR]), d

Length of stay (median [IQR]), d

10.00 [5.00, 17.00]

10.00 [5.00, 16.00]

24.50 [14.00, 39.25]

State of consciousness, n (%)

   

Clear

554 (47.6)

548 (48.8)

6 (14.3)

Somnolence

287 (24.6)

278 (24.8)

9 (21.4)

Stupor

188 (16.1)

177 (15.8)

11 (26.2)

Shallow coma

71 (6.1)

64 (5.7)

7 (16.7)

Moderate coma

31 (2.7)

28 (2.5)

3 (7.1)

Deep coma

34 (2.9)

28 (2.5)

6 (14.3)

Maximum body temperature

36.90 [36.60, 37.40]

36.90 [36.60, 37.40]

37.35 [36.90, 38.50]

(median [IQR]), ℃

Minimum SPO2 (median [IQR]), %

95.00 [95.00, 96.00]

95.00 [95.00, 96.00]

95.00 [94.00, 96.00]

Minimum systolic blood pressure

119.17 (14.83)

119.32 (14.82)

115.14 (14.52)

(mean (SD)), mmHg

Minimum diastolic blood pressure

72.28 (9.25)

72.31 (9.26)

71.55 (9.03)

(mean (SD)), mmHg

Hypotension, n (%)

59 (5.1)

55 (4.9)

4 (9.5)

Braden Scale (median [IQR])

17.00 [14.00, 19.00]

17.00 [14.00, 19.00]

12.50 [10.25, 14.00]

Sensory perception (median [IQR])

3.00 [3.00, 4.00]

4.00 [3.00, 4.00]

2.00 [2.00, 3.00]

Moisture (median [IQR])

3.00 [3.00, 3.00]

3.00 [3.00, 4.00]

3.00 [2.00, 3.00]

Activity (median [IQR])

3.00 [2.00, 3.00]

3.00 [2.00, 3.00]

2.00 [1.00, 2.75]

Mobility (median [IQR])

3.00 [2.00, 3.00]

3.00 [2.00, 3.00]

2.00 [1.00, 3.00]

Nutrition (median [IQR])

2.00 [2.00, 3.00]

3.00 [2.00, 3.00]

2.00 [1.00, 2.00]

Friction, and Irritation (median [IQR])

2.00 [2.00, 3.00]

2.00 [2.00, 3.00]

2.00 [2.00, 2.00]

Barthel Scale (median [IQR])

50.00 [20.00, 60.00]

50.00 [20.00, 65.00]

10.00 [0.00, 40.00]

Glasgow Coma Scale (median [IQR])

14.00 [13.00, 15.00]

14.00 [13.00, 15.00]

10.00 [7.25, 14.00]

Creatinine (median [IQR]), umol/L

61.00 [49.50, 73.10]

61.30 [49.60, 73.10]

53.20 [44.70, 73.20]

Albumin (median [IQR]), g/L

42.00 [38.60, 45.40]

42.10 [38.80, 45.40]

38.00 [33.35, 43.42]

Hemoglobin (median [IQR]), g/L

127.00 [114.00, 138.00]

127.00 [114.00, 138.00]

122.00 [101.00, 130.00]

Hematocrit (median [IQR]), %

38.60 [34.50, 41.80]

38.60 [34.60, 41.80]

37.10 [31.60, 40.32]

White blood cells (median [IQR]), ×109/L

9.45 [7.16, 12.58]

9.48 [7.14, 12.61]

8.55 [7.32, 10.64]

Red blood cells (median [IQR]), ×1012/L

4.15 [3.71, 4.57]

4.15 [3.73, 4.58]

3.89 [3.27, 4.36]