Input
 

Age		mo yr
Lymphocyte Count		#/mcL #/microL / nl /mcL /microL /uL 10*3/uL 10*6/uL 10*6/uL 10E+9/L 10^3/microL K/mm3 K/uL Mill/mcl Million/ul Thous/mcL Thousand/uL X10E+09/L X10E+12/L cells/mcL cells/microL m/cmm thou/mcL x10(12)/L x10(3)/mcL x10(3)/microL x10(6)/L x10(6)/mcL x10(6)/microL x10(9)/L x1000/mm3 x10^12/L x10^3/mcL x10^3/microL x10^6/L x10^6/mcL x10^6/microL x10^9/L {cells}/uL
Smoker	No (0)
	Yes (3)
	Former (2)
Hypertension	No (0)
	Yes (2)
Multilobar Infiltrates	No (0)
	Yes (5)
Bacterial Infection	No (0)
	Yes (4)

 
Result
 
Important: Inputs must be complete to perform calculation.

 

MuLBSTA Score		# count index logit none number points score

 

0 to 5 points:	0.47 to 2.17% mortality
6 to 10 points:	2.92 to 9.33% mortality
11 to 15 points:	12.27 to 32.36% mortality
16 to 20 points:	39.42 to 68.99% mortality
21 to 22 points:	No study patients

 

 

Data action

 
     
 
Include literature references: Yes   No

 

Notes

• In the Guo article^[1] authors considered a MuLBSTA score of 0 to 11 points to be low risk, and scores of 12 or more to be high risk.
• From the COVID-19 outbreak experience in China, Chen, et al^[2] reported that the MuLBSTA Score seemed to correlate with mortality in COVID-19 infection.
• MuLBSTA: multilobular infiltration, hypo-lymphocytosis, bacterial coinfection, smoking history, hyper-tension and age.

Calculation Details and Variables

• AgeFactor is assigned values by this ordered logic:
  • If Age ≥60 yr, AgeFactor = 2
  • Else AgeFactor = 0.
• LymphocyteFactor is assigned values by this ordered logic:
  • If Lymphocyte Count ≤0.8 x10(9)/L, LymphocyteFactor = 4
  • Else LymphocyteFactor = 0.
• Equation parameters such as Smoker, have two or more discrete values that may be used in the calculation. The numbers in the parentheses, e.g. (0), represent the values that will be used.

References

1. Guo L, Wei D, Zhang X, et al. Clinical Features Predicting Mortality Risk in Patients With Viral Pneumonia: The MuLBSTA Score. Front Microbiol. 2019 Dec 3;10:2752. PubMed ID: 31849894
2. Chen N, Zhou M, Dong X, et al. Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study. Lancet. 2020 Feb 15;395(10223):507-513. PubMed ID: 32007143

Associated Medical Subject Headings [MeSH]
 

80 and over,   Adult,   Aged,   Comorbidity,   Coronavirus Infections,   Cough,   Disease Outbreaks,   Dyspnea,   Female,   Fever,   Humans,   Male,   Middle Aged,   Pneumonia,   Prognosis,   Radiography,   Retrospective Studies,   Severe Acute Respiratory Syndrome,   Thoracic,   Tomography,   Viral,   X-Ray Computed,   Young Adult

Associated Logical Observation Identifiers Names and Codes [LOINC]
 

Parameter	LOINC's and Suggested Units
Age	21612-7 : yr      21612-7 : yr      21612-7 : years      30525-0 : Years old      30525-0 : yr      30525-0 : years
Lymphocyte Count	731-0 : x10^3/microL      26474-7 : x10^3/microL      732-8 : x10^3/microL

 
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