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. 2024 Dec 6;7(12):e2444983. doi: 10.1001/jamanetworkopen.2024.44983

Table 2. Characteristics of Hospital-Acquired Pressure Ulcers (PUs).

Characteristic Participants, No. (%)a
Any AIS category (N = 586) AIS A (n = 389) AIS B (n = 112) AIS C (n = 85)
No. of PUs
1 347 (59.2) 219 (56.3) 71 (63.4) 57 (67.1)
2 141 (24.1) 105 (27.0) 20 (17.9) 16 (18.1)
>2 98 (16.7) 65 (16.7) 21 (18.8) 12 (14.1)
Grade of worst PUb
1 126 (21.8) 78 (20.3) 25 (22.5) 23 (27.4)
2 300 (51.8) 196 (51.0) 57 (51.4) 47 (56.0)
3 93 (16.1) 67 (17.4) 17 (15.3) 9 (10.7)
4 60 (10.4) 43 (11.2) 12 (10.8) 5 (6.0)
PU onset
Acute care 373 (63.7) 241 (62.0) 74 (66.1) 58 (68.2)
Inpatient rehabilitation 213 (36.3) 148 (38.0) 38 (33.9) 27 (31.8)

Abbreviations: ASIA, American Spinal Injury Association; AIS, ASIA impairment scale.

a

Data on grade of worst PU were missing for the following categories and numbers of patients: 5 missing for AIS A, 1 missing for AIS B, and 1 missing for AIS C.

b

PU grade of severity: 1, limited to the superficial epidermal and dermal layers. Includes redness that does not blanch to the touch and redness that requires intervention; 2, involving the epidermal and dermal layers and extending into the adipose tissue; 3, extending through superficial structures and adipose tissue down to and including muscle; 4, destruction of all soft tissue structures and communication with bone or joint structures.