KIMMS Matrix Table

Detectability Not Detected
5		 Most not detected
4		 Half detected
3		 Most detected
2		 Detected
1
Consequences Probability
Catastrophic
5
Serious harm to multiple patients and/or patient death		 Frequent 5 125 100 75 50 25
Likely 4 100 80 60 40 20
Occasional 3 75 60 45 30 15
Unlikely 2 50 40 30 20 10
Rare 1 25 20 15 10 5
Major
4
Delayed diagnosis (malignant) and/or surgical treatment		 Frequent 5 100 80 60 40 20
Likely 4 80 64 48 32 16
Occasional 3 60 48 36 24 11
Unlikely 2 4 32 24 16 8
Rare 1 20 16 12 8 4
Moderate
3
Delayed management (non-malignant) and/or medical treatment		 Frequent 5 75 60 45 30 15
Likely 4 60 48 36 24 12
Occasional 3 45 36 27 18 9
Unlikely 2 30 24 18 12 6
Rare 1 15 12 9 6 3
Minor
2
Recollect required		 Frequent 5 50 40 30 20 10
Likely 4 40 32 24 16 8
Occasional 3 30 24 18 12 6
Unlikely 2 20 16 12 8 4
Rare 1 10 8 6 4 2
Negligible
1
Minimal, Delay, inconvenience		 Frequent 5 25 20 15 10 5
Likely 4 20 16 12 8 4
Occasional 3 15 12 9 6 2
Unlikely 2 10 12 9 6 3
Rare 1 5 4 3 2 1

 

Table 1: Consequence scale

  Scale Name Definition 
  1 Negligible/Minimal Minimal, delay, inconvenience
  2 Marginal/Minor Recollect required
  3 Significant/Moderate Delayed management (non-malignant) and/or medical treatment
  4 Serious/Major Delayed diagnosis (malignant) and/or surgical treatment
  5 Critical/Catastrophic Serious harm to multiple patients and/or patient death

 

Table 2: Probability scale 

  Scale Name Example Definition
  1 Rare <1/year
  2 Unlikely 1 per year
  3 Occasional 1 per month
  4 Likely 1 per week
  5 Frequent 1 per day or more

 

Table 3: Detectability scale

  Scale Name Example Definition
  1 Detected >95%
  2 Most detected 75-95%
  3 Half detected 25-75%
  4 Most not detected <5-25%
  5 NOT detected <5%