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Table 1 Metrics of clinical workflow before and after a patient flow analysis

From: Using patient flow analysis with real-time patient tracking to optimize radiation oncology consultation visits

Metric

Time before PFA, min,

median (IQR)

Time after PFA, min,

median (IQR)

Delta

P Value*

Waiting room

14 (8–26)

5 (3–14)

–64%

 < 0.001

  Arrived > 15 min early

20 (11–41)

10 (4–20)

–50%

 < 0.001

  Arrived within 15 min

12 (7–19)

4 (3–12)

–67%

 < 0.001

  Arrived > 15 min late

8 (5–15)

2 (1–8)

–75%

 < 0.001

Rooming (RN/MA)

13 (9–18)

12 (9–14)

–8%

0.066

Waiting for APP/Resident

11 (5–20)

5 (3–8)

–55%

 < 0.001

With APP/Resident

22 (12–32)

19 (12–26)

-14%

0.490

Waiting for MD

20 (11–33)

6 (3–15)

–70%

 < 0.001

With MD

33 (25–48)

23 (15–31)

–30%

 < 0.001

Time in-room to arrival of MD

54 (39–72)

47 (33–60)

–13%

0.003

Total cycle time

91 (71–114)

72 (52–82)

–21%

 < 0.001

  1. “Rooming” refers to settling a patient in an exam room and obtaining vital signs and initial screening
  2. Abbreviations: PFA Patient flow analysis, IQR Interquartile range (25th – 75th percentiles), RN Registered nurse, MA Medical assistant, APP Advanced practice provider, MD Physician
  3. * Calculated with Mann–Whitney U test