Gait Speed Test Metrics for Mortality Screening in Hemodialysis Patients

Joyce Noelly Vitor Santos published this dataset in April 2019, containing diagnostic performance metrics for the gait speed test. The 5.5 KB Excel file includes cutoff points, AUC-curve, sensitivity, specificity, PPV, and NPV for screening mortality. It is derived from a study of 120 eligible patients undergoing hemodialysis.

Use Cases

• Determine an optimal gait speed cutoff point for mortality risk based on the provided ROC curve analysis.
• Validate the sensitivity and specificity of gait speed as a prognostic factor in clinical populations.
• Compare the predictive value (PPV and NPV) of gait speed against established prognostic factors for targeted clinical decisions.

Strengths

• Dataset is small (5.5 KB) and likely easy to inspect and load.
• Includes key diagnostic metrics like AUC, sensitivity, and specificity with confidence intervals.
• Clear focus on a specific clinical population (individuals undergoing hemodialysis).

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Joyce Noelly Vitor Santos via figshare

Collection Method

Likely derived from a clinical study involving Cox regression analysis and Kaplan-Meier curves.

Time Range

Study period includes April 2019 onward.

Freshness

Last updated 2026-03-18 17:28:56; freshness should be verified.