xRead - Olfactory Disorders (September 2023)

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INTERNATIONAL CONSENSUS ON OLFACTION

TABLE VIII.6 (Continued) Test name and author/s Test type

No. of odors or items

Reliability coefficient

Commercial availability

Comments

Quick Smell Test (Q-SIT) Jackman and Doty, 2005 1134

ID

3

0.87

Yes

A 3-item screening test with a no smell alternative In 224 consecutive patients, this test identified abnormalities in 99% of anosmics, as determined from the UPSIT R This number dropped to 85% for those with severe microsmia, 76% of those with moderate microsmia, and 50% of those with mild microsmia Using a cutoff score of 2, the sensitivity and specificity of detecting anosmics was 99% and 40%, respectively Five odorants from the SS test chosen and compared with 20 descriptors Scores of 4 and 5 “would be considered to be either normosmic or slightly hyposmic”; a score of 0 “might be anosmic or highly hyposmic.” Nonforced choice with “undefinable odor” and “no odor” response alternative choices Used in the National Social Life, Health and Aging Project survey 46 Employs commercially available children’s colored and odorized markers to dispense stimuli in a similar manner to that of the Alberta Smell Test 48 although different odorants and psychophysical procedures are used Sum of points are assigned to initial “spontaneous naming” and then to a 4-alternative forced-choice ID task Distinguishes anosmics from normosmics with high sensitivity and specificity Requires blindfolding Three UPSIT R items identified with an accuracy of > 75% in differentiating patients with PD from controls Using a cutoff of ≤ 1, diagnostic accuracy was 83.3% with a sensitivity of 70.3% and a specificity of 96.3% Single ascending method of limits threshold test using only n-butanol Normal scores < 3 dilution number for patients up to 50 years of age (n = 54) and < 4 for those older than this age (n = 46) Validated by determining the sensitivity

Short Olfactory Screening Test Mueller and Renner, 2006 1135

ID

5

0.77

Yes

Odorized Marker Screening Test Vodicka et al, 2007 1137

ID

5

NR

No

Parkinson Disease

ID

3

NR

Yes

Selective Odor Identification Test

Bohnen

et al 728

Short Connecticut Smell Test (CST) Toledano et al, 2009 1139

DT

1

NR

No

and specificity of differentiating persons with nasal polyposis from those without nasal polyposis

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