W78 Quality Assurance Quality Control PDF

Title W78 Quality Assurance Quality Control
Course Clinical Chemistry 3
Institution Our Lady of Fatima University
Pages 9
File Size 1.7 MB
File Type PDF
Total Downloads 748
Total Views 1,017

Summary

Download W78 Quality Assurance Quality Control PDF


Description

M I D T E R M

CLINICA CLINICALL CHEMIST CHEMISTRY RY CCHM311 / LECTURE \ 10-21-21

07 08

&

QUALITY ASSU RANCE AND QU ALITY CON TROL ASSURANCE QUALITY CONTROL ❑ →









• •

❑ •



▪ →





=

𝑇𝑟𝑢𝑒 (+) 𝑥 100 𝑇𝑟𝑢𝑒 (+) + 𝐹𝑎𝑙𝑠𝑒 (−)

=

𝑇𝑟𝑢𝑒 (+) 𝑥 100 𝑇𝑟𝑢𝑒 (+) + 𝐹𝑎𝑙𝑠𝑒 (−)

▪ → • ▪ • →





❑ ❑ ▪ ❑ ▪



✓ ✓

• •

=

✓ ✓

▪ ✓

❑ ❑

𝑇𝑟𝑢𝑒 𝑃𝑜𝑠𝑖𝑡𝑖𝑣𝑒 𝑥 100 𝑇𝑟𝑢𝑒 𝑃𝑜𝑠𝑖𝑡𝑖𝑣𝑒 + 𝐹𝑎𝑙𝑠𝑒 𝑃𝑜𝑠𝑖𝑡𝑖𝑣𝑒



=

𝑇𝑟𝑢𝑒 𝑁𝑒𝑔𝑎𝑡𝑖𝑣𝑒 𝑥 100 𝑇𝑟𝑢𝑒 𝑁𝑒𝑔𝑎𝑡𝑖𝑣𝑒 + 𝐹𝑎𝑙𝑠𝑒 𝑁𝑒𝑔𝑎𝑡𝑖𝑣𝑒

• • •

𝑇𝑃 𝑥 100 𝑇𝑃 + 𝐹𝑁

𝑇𝑁 𝑥 100 𝑇𝑁 + 𝐹𝑃

𝑇𝑃 𝑥 100 𝑇𝑃 + 𝐹𝑃

𝑇𝑁 𝑥 100 𝑇𝑁 + 𝐹𝑁

8 𝑥 100 8+2

8 𝑥 100 8+3

7 𝑥 100 7+3

7 𝑥 100 7+2

















→ →



• →





• o



• o

• o o

o

• • •

❑ ❑ • • •

• o

• • •

𝑥 =

𝑋1 + 𝑋2 + 𝑋3 … 𝑛

• • •

o o

• •

𝜎= √

𝛴(𝑥 − 𝑥 )2 𝑛−1

𝐶𝑉 =

𝑆𝐷 𝑋 100 𝑥





o

o o o

o

• o o o o

• o

𝜎 2 𝑜𝑟 𝑣𝑎𝑟 =

• • • •

𝛴(𝑥 − 𝑥 )2 𝑛−1

• • • •







• o



o o

• o

o •

o



• • •

𝑥 = 𝑥 =

𝐶𝑉 = 𝐶𝑉 =

𝛴 𝑓𝑥 𝑛

𝜎= √

425 = 85 5

𝜎= √

𝑆𝐷 𝑋 100 𝑥

250 = 7.91 5−1

𝛴(𝑥 − 𝑥 )2 𝜎 = 𝑛−1 2

7.91 𝑋 100 = 9.31  85

b.

𝛴(𝑥 − 𝑥 )2 𝑛−1

𝜎2 =

𝑥 sx

b.





250 = 62.5 5−1

𝑥 sx

• •



  

±𝟏𝑺𝑫 ±𝟐𝑺𝑫 ±𝟑𝑺𝑫





• o ✓ ✓ •

o o

𝟔𝟖%

o

• o

• ✓

o o

±𝟏𝑺𝑫 o

𝑥 = 85

−𝟏𝑺 𝑥

+𝟏𝑺 𝑥

−𝟐𝑺 𝑥

+𝟐𝑺 𝑥

−𝟑𝑺 𝑥

+𝟑𝑺 𝑥

±𝟐𝑺𝑫 o o o



±𝟑𝑺𝑫 o o o o



• →

• •

±𝟐𝑺𝑫



• •

±𝟐𝑺𝑫

±𝟑𝑺𝑫



±𝟑𝑺





✓ ✓ ✓ •



• •

• •

±𝟐𝑺𝑫

• •



±𝟐𝑺𝑫

±𝟐𝑺𝑫

• •

• •











±𝟐𝑺𝑫

±𝟏𝑺𝑫

▪ ▪

✓ ✓ ✓ ✓ ✓ ✓ ✓

• ❑

SHIFT ▪

▪ ▪ ✓ ✓ ✓ ✓ ✓ ✓

• • • •

❑ OUTLI OUTLIERS ERS ▪ ▪ ✓ ✓



±𝟐𝑺

• •

❑ ❑ ❑ ▪ ⎯

±𝟐𝑺

✓ ✓ ✓

❑ TRE TREND ND ▪



▪ ⎯



▪ ⎯

❑ ❑ ❑ • • ❑ • •



• o



o o



o

• • •

• o



o o

• • •



• •

→ →...


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