APACHE Scoring table
The Scoring table for APACHE II describes how various fields we collect affect the ultimate APACHE II score.
The calculation of the store happens automatically and data collectors do not need to fit patient scores into this ranking or perform calculations.
Physiological Variables
see Field Ranges and Decimal Settings for maximum and extreme ranges
| variable | Abs Min | Warn Min | 4 | 3 | 2 | 1 | 0 | 1 | 2 | 3 | 4 | Warn Max | Abs Max |
| Temperature (C) | 24 | 25.8 | ≥41 | 39-40.9 | 38.5-38.9 | 36-38.4 | 34-35.9 | 32-33.9 | 30-31.9 | ≤ 29.9 | 42.7 | 42.7 | |
| Mean BP (mm Hg) | SBP 19,
DBP 5 |
SBP 25,
DBP 5 |
≥160 | 130-159 | 110-129 | 70-109 | 50-69 | ≤49 | SBP 308,
DBP 188 |
SBP 344,
DBP 200 | |||
| HR (beats per minute) | 5 | 10 | ≥180 | 140-179 | 110-139 | 70-109 | 55-69 | 40-54 | ≤39 | 250 | 250 | ||
| RR (breaths per minute) | 2 | 2 | ≥50 | 35-49 | 25-34 | 12-24 | 10-11 | 6-9 | ≤5 | 79 | 95 | ||
| AaDO2 (if FiO2 >= 50%) | *1 | *1 | ≥500 | 350-499 | 201-349 | <=200 | *1 | *1 | |||||
| PO2 (mm Hg) (if FiO2 < 50%) | 7 | 7 | 70 | 61-69 | 55-60 | ≤54 | 600 | 600 | |||||
| Serum CO2 (If no ABG) | 2 | 2 | ≥52 | 41-51.9 | 32-40.9 | 22-31.9 | 18-21.9 | 15-17.9 | ≤14 | 59 | 59 | ||
| Arterial pH | 6 | 6 | ≥7.7 | 7.6-7.69 | 7.5-7.59 | 7.33-7.49 | 7.25-7.32 | 7.15-7.24 | ≤ 7.14 | 7.97 | 7.99 | ||
| Na (mmol/L) | 70 | 100 | ≥180 | 160-179 | 155-159 | 150-154 | 130-149 | 120-129 | 111-119 | ≤110 | 190 | 200 | |
| K (mmol/L) | 1 | 1 | ≥7 | 6-6.9 | 5.5-5.9 | 3.5-5.4 | 3-3.4 | 2.5-2.9 | ≤2.4 | 9.9 | 12 | ||
| Creatinine (mmol/L)
(*Double point if yes for ARF) |
2 | 5 | ≥309 | 178-308 | 133-177 | 53-132 | ≤52 | 2288 | 2785 | ||||
| HCT (unit?) | 3 | 3 | ≥60 | 50-59.9 | 46-49.9 | 30-45.9 | 20-29.9 | ≤19 | 68 | 78 | |||
| WBC(?unit) | 0.01 | 0.02 | ≥40 | 20-39.9 | 15-19.9 | 3-14.9 | 1-2.9 | <1 | 301 | 517 |
*1 AaDO2 component max/min values
- FIO2 ranges acceptable from 21-100
- CO2 warning range 2-285, absolute range 2-440
Arterial Blood Gas (ABG) scoring
Template:Discussion Is the following right? If so pls remove the discussion point... Ttenbergen 11:51, 2014 January 6 (CST)
- If no ABG
- apply score only for the SerCO2
- ignore pH component?
- else (ie. ABG present)
- apply pH score
- if FIO2 >= 50
- apply AaDO2 score
- else (ie FIO2 < 50)
- apply PO2 score
Glasgow Coma Scale (GCS)
For information on collecting and coding the values, see the Glasgow Coma Scale article.
Age Points
The age of the patient is automatically generated from the date of birth and the date of admission when collecting data.
| Age | ≤44 | 45-54 | 55-64 | 65-74 | ≥75 |
| Points (agepts) | 0 | 2 | 3 | 5 | 6 |
Chronic Health Score
Apparently this is defined here and implemented incorrectly as compared with actual APACHE; see Chronic_Health_APACHE#Potential change. Ttenbergen
The chronic health score is calculated from Chronic Health APACHE and Admit Type for APACHE II.
The chronic health score is generated as follows:
| Points | Chronic Health Status |
| 0 | No history of chronic disease |
| 2 | Elective Post op with history of chronic disease |
| 5 | Non OP (medical) or emergency post op with history of chronic disease |
- Following this table will lead to an undefined result if the patient AT = Medical and Chronic <> None; that makes me think this is not how this is really implemented in TMSX. How is it? Ttenbergen 16:19, 2014 January 2 (CST)
Total Apache Score
TotApache = APS + GCS + Chronic Health points+ agepts
APSpts-Acute Physiological Points
APS= scores Apache items 1 to 11 + GCS
Template:Discussion Does that mean that TotApache effectively uses the GCS parameter twice? The preceeding 2 formulas would make me think so... Ttenbergen 10:57, 2014 January 6 (CST)