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Table 3 Schedule of data collection

From: Efficacy of a pressure-sensing mattress cover system for reducing interface pressure: study protocol for a randomized controlled trial

Data to be collected

Day 1: Baseline (within 24 hours of admission)

Day 2: Interim

Day 3: Enrollment termination (within 24 hours)*

Continuous interface pressure

Yes

Yes

Yes

Clinical head-to-toe skin assessment

Yes

No

Yes

Braden Scale

Yes

No

Yes

Level of bed mobility

Yes

No

Yes

Charlson comorbidity index

Yes

No

No

Complete blood count (CBC)

Yes

No

No

Pre-albumin

Yes

No

No

Albumin

Yes

No

No

Creatinine

Yes

No

No

Liver function test results (alkaline phosphatase; aspartate aminotransferase (AST))

Yes

No

No

C reactive protein (CRP)

Yes

No

No

Glycosylated hemoglobin

Yes

No

No

Body mass index (BMI)

Yes

No

No

Reason for admission/diagnoses

Yes

No

No

Bladder management

Yes

No

No

Bowel management

Yes

No

No

History of cancer and treatment

Yes

No

No

History of cardiovascular disease

Yes

No

No

History of renal failure

Yes

No

No

Use of immunosuppressive medications

Yes

No

No

Pressure ulcer history

Yes

No

No

Smoking history

Yes

No

No

Illicit drug use

Yes

No

No

Demographics (that is, sex, date of birth, race)

Yes

No

No

Perceptions of healthcare providers of patients in the treatment group**

No

No

No

Perceptions of patients (and/or their family members) in the treatment group

No

No

Yes

Pressure ulcer prevention and treatment methods

No

No

Yes

  1. *For the subset sample of 60 participants, this information will be collected on the day of discharge from the hospital, as well as on weekly basis if their length of stay exceeds one week
  2. **This information will be collected approximately 3 months after enrollment has begun on their respective units to ensure healthcare providers have sufficient exposure to the technology