Trivia Quiz – It’s all in the %!!

Trivia Quiz

Percentages

What is the estimated prevalence of anemia worldwide?

a
10%
b
20%
c
30%
Anemia in 1.93 billion people; age-standardized prevalence of anemia 27%. Hematol Oncol Clin North Am 2016 Apr;30(2):247.
d
40%
e
50%

Of all venous thromboembolism (VTE) cases what % are reported to be first episodes (as distinct from recurrences)?

a
25%
b
50%
c
75%
Lancet. 2016 Dec 17;388(10063):3060-3073.; Hematology Am Soc Hematol Educ Program 2016 Dec 2;2016(1):397.
d
100%

What % transferrin saturation is suggestive of iron overload?

a
>10%
b
>15%
c
>35%
d
>45%
Hepatology. 2011 Jul;54(1):328-43.
e
>60%

Primary ITP is ITP occurring in the absence of a clinically identifiable source of immune dysregulation (for example SLE or viral infection). Secondary ITP occurs in the setting of underlying disease or drug exposure. What % of all ITP is represented by primary ITP?

a
20%
b
40%
c
70%
d
80%
Blood 2009 Jun 25;113(26):6511); N Engl J Med. 2019 Sep 5;381(10):945-55.
e
90%

Thrombocytopenia is the most common hematological abnormality in patients with chronic liver disease (CLD), especially those with cirrhosis or fibrosis. Approximately what % of patients with cirrhosis have thrombocytopenia?

a
10%
b
30%
c
50%
d
80%
Liver Int. 2017 Jun;37(6):778-793; Hepat Med. 2016;8:39-50.
e
95%

type 1 von Willebrand disease (vWD) accounts for what % of cases of vWD?

a
0-10%
b
10-30%
c
40-60%
d
60-85%
N Engl J Med. 2016 Nov 24;375(21):2067-2080.
e
80-100%

What % of patients with thrombotic thrombocytopenic purpura (TTP) present with the classic pentad of:

  • Thrombocytopenia
  • Microangiopathic hemolytic anemia
  • Fluctuating neurological symptoms
  • Renal impairment
  • Fever
a
5%
Br J Haematol. 2012 Aug;158(3):323-35.
b
10%
c
20%
d
50%
e
75%

What % of patients with anemia of inflammation (anemia of chronic disease) have microcytic/hypochromic red cell indices?

a
5%
b
15%
c
25%
Semin Hematol. 2013 Jul;50(3):232-8.
d
35%
e
55%

The estimated world-wide incidence of venous thromboembolism (VTE) is 10 million cases per year. What % of these are patients presenting with DVT (as distinct from pulmonary embolism with or without symptoms of DVT)?

a
13%
b
33%
c
66%
Lancet. 2016 Dec 17;388(10063):3060-3073.; Hematology Am Soc Hematol Educ Program 2016 Dec 2;2016(1):397.
d
90%

What is the target Hct % in patients with polycythemia vera receiving phlebotomy?

a
40%
b
42%
c
45%
NCCN Category 2A; BSH Grade 1A recommendations.
d
50%

What % of patients with iron deficiency anemia report pica?

a
10-15%
b
15-25%
c
25-35%
d
35-45%
e
45-55%
Lancet. 2016 Feb 27;387(10021):907-16.

Cold agglutinin disease (CAD) accounts for what % of autoimmune hemolytic anemia cases?

a
5-10%
b
10-15%
c
15-20%
Autoimmun Rev. 2014 Apr-May;13(4-5):560-4; Semin Hematol. 2015 Oct;52(4):304-12.
d
20-25%
e
>40%

What is the overall risk of progression (%) from MGUS to multiple myeloma per year?

a
1%
Br J Haematol. 2009 Oct;147(1):22-42; Haematologica. 2014 Jun;99(6):984-96.
b
3%
c
5%
d
>10%

What is the response rate (%) to corticosteroids in adults with newly diagnosed ITP?

a
10-30%
b
30-50%
c
50-70%
d
60-80%
N Engl J Med. 2019 Sep 5;381(10):945-55.
e
100%

In primary cold agglutinin disease (CAD) what % of patients have have clonal expansion of kappa-positive B cells in bone marrow and a monoclonal IgM-kappa paraprotein?

a
10-30%
b
30-50%
c
60-80%
d
>90%
Hematol Oncol Clin North Am. 2015 Jun;29(3):455-71.

What is the reported prevalence of MGUS in adults > 75 years old?

a
1%
b
3%
c
5%
Br J Haematol 2010 May;149(4):620; Blood. 2018 Jan 11;131(2):163-173.
d
7%

Iron deficiency is the most common cause of anemia worldwide, accounting for what % of cases?

a
10%
b
20%
c
30%
d
40%
e
50%
Lancet. 2016 Feb 27;387(10021):907-16.

Infection accounts for what % of HLH in adults?

a
10%
b
20%
c
30%
d
50%
Lancet. 2014 Apr 26;383(9927):1503-1516,
e
70%

Distal DVT is reported in what % of all diagnosed DVT?

a
10%
b
20%
Thromb Res. 2017 Jan;149:48-55.
c
30%
d
40%
e
50%

Severe hemophilia A is defined by what % of FVIII activity?

a
<1%
Haemophilia. 2020 Aug;26 Suppl 6:1-158,
b
<2%
c
<5%
d
<10%
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