A Data Sets

Datasets for this book are provided as comma separated values (csv) in text files. For details on how to read data from csv-files, see the Importing data from text files in Appendix D.

Adverse Events

Patient harm found with the Global Trigger Tool

File: adverse_events.csv

Variables:

• severity (character): Harm severity: E = minor transient, I = fatal
• category (character): Harm category

Bacteremia

Hospital acquired and all cause bacteremias and 30 days mortality

File: bacteremia.csv

Variables:

• month (date): month of infection
• ha_infections (numeric): number of hospital acquired infections
• risk_days (numeric): number of patient days without infection
• deaths (numeric): 30-day mortality after all-cause infection
• patients (numeric): number of patients with all-cause infection

Blood pressure

Daily measurements of blood pressure and resting pulse.

File: blood_pressure.csv

Variables:

• date (date): date of measurement
• systolic (numeric): systolic blood pressure (mm Hg)
• diastolic (numeric): diastolic blood pressure (mm Hg)
• pulse (numeric): resting pulse (beats per minute)

Clostridioides difficile infections

Hospital acquired C. diff. infections

File: cdiff.csv

Variables:

• month (date): first day of month
• cases (numeric): number of cases
• risk_days (numeric): number of patient days without infection

Ceasearian section delay

Time to grade 2 C-section

File: csection_delay.csv

Variables:

• datetime (datetime): date and time of delivery
• month (date): first day of month
• delay (numeric): time in minutes between decision and delivery

Diabetes HbA1c

HbA1c measurements in children with diabetes

File: diabetes_hba1c.csv

Variables:

• month (date): month of measurements
• avg_hba1c (numeric): average of HbA1c measurements
• n (integer): number of patients who visited the clinic

Emergency admission mortality

7-day mortality after emergency admission

File: emergency_admission.csv

Variables:

• month (date): first day of month
• deaths (numeric): number of deaths within 7 days after emergency admission
• admissions (numeric): number of emergency admissions

On-time CT

Patients with acute abdomen CT scanned within 3 hours after arrival

File: ontime_ct.csv

Variables:

• month (date): first day of month
• ct_on_time (numeric): number of patients scanned within 3 hours
• cases (numeric): number of patients with acute abdomen

Radiation doses

Radiation doses used for renography

File: renography_doses.csv

Variables:

• date (date): date of renography
• week (date): first day of week
• dose (numeric): radiation dose in megabequerel

Robson group 1 births

Outcomes and complications of Robson group 1 births: first time pregnancy, single baby, head first, gestational age at least 37 weeks.

File: robson1_births.csv

Variables:

• datetime (datetime): data and time of birth
• biweek (date): first day of biweekly period
• csect (logical): delivery by C-section
• cup (logical): delivery by vacuum extraction
• sex (character): sex of baby
• length (numeric): baby length in cm
• weight (numeric): baby weight in kg
• apgar (numeric): apgar score at 5 minutes
• ph (numeric): arterial umbilical chord pH
• asphyxia (logical): ph < 7 or missing ph and apgar < 7