xRead - Olfactory Disorders (September 2023)

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PATEL et al.

TABLE VIII.8 (Continued)

Normative data available

Commercially available

Test name and author/s

No. of odors items

Reliability coefficent

Comments ethanol (180 proof), lemon (McCormick), and acetone Sniff bottles were employed Score determined as highest dilution for which detection up to and including that dilution was errorless First use of staircase threshold procedure in olfactory studies PEA odorant Propylene glycol diluent sensitive to sex and age 1204 Later versions employed mineral oil diluent and squeeze bottles instead of sniff bottles held over nose 1205 Norms available only for more recent adaptations 1184,1185 Indicates that performance ≥ 80% reflects normality Attempts to explore confusions and thereby categorize dysosmias Limited by the choice of odorants to which confusions can be made Percent correct correlates highly with UPSIT R scores Norms based on convenience sample 100 of persons Composed of 2 subsets of 18 natural odorants designed for both the otolaryngology clinic and industrial purposes Odorants selected from larger set on the basis of familiarity to Dutch people Norms provided for 221

Test type

0.88 26

Single Staircase Odor Detection Threshold Test Ghorbanian et al, 1983 1203

DT

1 odor 14 concentrations

Yes

Yes

0.91 120

Odor Confusion Matrix Wright, 1987 1206

ID

10

No

No

Utrecht Odour ID Test Hendriks, 1988 1208

ID

18or 36

0.68—0.77

Yes

No

normal controls but not divided in terms of age or sex

0.68 26

Odor Discrimination/ Memory Test(s) Bromley and Doty, 1995 1209

OM DISC

12

No

No

OM and DISC tests based on: (1) multiple target testing, and (2) single target testing with 10-, 30-, and 60-second delay intervals (Continues)