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Table 1 Characteristics of baseline data of PU patients in two groups

From: Hydrogen water intake via tube-feeding for patients with pressure ulcer and its reconstructive effects on normal human skin cells in vitro

Item Effective group (EG) Less effective group (LG)
Number of patients 12 10
Age (mean ± SD) at onset 87.9 ± 9.0 85.5 ± 7.3
  range 71.0-101.0 73.0-98.0
Gender (male/female) 4/8 8/2
Admission diagnosis   
  PU 8 7
  Tumor 0 1
  Pneumonia 4 0
  COPD 0 1
  CIS 0 1
Hospitalized days (mean ± SD) 113.3 ± 89.6 155.4 ± 92.6
  range 32-379 63-335
DESIGN-Rating (mean ± SD) at onset 14.0 ± 5.4 12.7 ± 3.3
Wound size (mean ± SD) at onset 6.9 ± 0.9 cm2 6.3 ± 0.9 cm2
Locations*   
  Total 16 12
  Back 3 0
  Sacrum 3 5
  Buttocks 3 2
  Ilium 1 3
  Greater trochanter 2 1
  Thigh 1 0
  Knee 1 0
  Heel 1 1
  Toes 1 0
Stages at onset (number of locations*)   
  Stage II 6 4
  Stage III 10 8
  1. Abbreviations: PU pressure ulcer, COPD chronic obstructive pulmonary disease, CIS cerebral infarction sequela, DESIGN-Rating depth, exudate, size, inflammation/infection, granulation, necrotic tissue.
  2. *Some patients had multiple locations for pressure ulcers.