6.3 The emergency department in a major medical center has delays in the stat la
ID: 3431946 • Letter: 6
Question
6.3 The emergency department in a major medical center has delays in the stat laboratory
tests turn - around time (TAT). According to standards, the stat lab results should be
reported within 30 minutes. The analyst conducted a time study to measure the reporting
times for fourteen different lab tests over fi fteen observations. The performance
ratings of the personnel handling the test are also recorded in Table EX 6.3 .
3. Are the overall stat time and individual test times within expectations? If not, what would you recommend?
6.3 The emergency department in a major medical center has delays in the stat laboratory tests turn - around time (TAT). According to standards, the stat lab results should be reported within 30 minutes. The analyst conducted a time study to measure the reporting times for fourteen different lab tests over fi fteen observations. The performance ratings of the personnel handling the test are also recorded in Table EX 6.3 . 3. Are the overall stat time and individual test times within expectations? If not, what would you recommend?Explanation / Answer
first we calculate actual time and std time.
Std time = time taken x performance rating.
Observed time = 383.56813 min
Std time-=385.935 minutes
The difference is within expectations as the differene is only 2.37 min within 25% of std time.
Observation in minutes performance Lab Test Rating 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Mean perf rating*Mean Hem 8 0.95 28 34 29 33 21 18 26 23 30 24 23 24 20 27 28 24.309375 23.09390625 Hem 18 1.03 29 38 24 39 27 26 20 23 27 26 28 28 34 37 29 27.251875 28.06943125 Apter 1.11 27 36 35 35 36 27 29 33 29 33 34 40 36 32 28 30.694375 34.07075625 AMY 0.97 28 37 29 27 28 29 27 26 25 24 25 28 22 31 22 25.560625 24.79380625 Ca 1.09 38 44 33 34 21 23 20 28 23 27 22 27 27 29 25 26.380625 28.75488125 Glucose 0.98 52 54 49 43 51 56 60 37 39 40 29 43 44 50 43 43.18625 42.322525 Chem 7 1.01 28 37 27 35 33 30 31 27 25 33 32 34 29 25 25 28.250625 28.53313125 K 1.04 12 25 18 11 19 27 11 19 14 15 14 15 18 16 12 15.44 16.0576 HCG 0.98 18 29 16 20 23 15 15 14 16 18 19 22 18 18 21 17.68625 17.332525 ALP 0.97 29 39 30 32 32 34 32 34 32 34 34 38 36 33 33 31.435625 30.49255625 ALT 0.94 29 39 30 32 29 36 23 25 28 28 31 29 33 32 33 28.62125 26.903975 B 1.03 29 38 36 23 25 28 32 34 32 29 38 36 23 25 28 28.564375 29.42130625 AST 1.05 29 39 28 31 29 33 28 32 34 32 34 32 33 29 32 29.753125 31.24078125 BBSP 0.94 26 32 18 26 39 28 31 29 26 28 31 29 19 28 32 26.43375 24.847725 383.56813 385.9349063Related Questions
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