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505

PATEL et al.

TABLE VIII.7 (Continued)

Normative data available

No. of odorsor items

Commercially available

Reliability coefficient

Test name and author/s

Comments

Test type

4-Odorant

DT

4

NR

No

No

Four ascending method of limits ID test with blank control on each trial based on 10 two-fold water dilutions of 4 odorants: almond (McCormick), 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 Self-administered “Scratch & Sniff” 4-alternative forced-choice ID test Norms based on 5- to 100-year-old convenience sample of 3928 persons Sex and age differentiation and percentile ranking 1152 Sanitary Available in 36 language versions. A yes:no ID test based 40 trials of 10 pairs of UPSIT R items applicable to signal detection analysis Provides a measure of odor ID and response bias Shown to differentiate in the defining study patients before and after hemodialysis Nonorms Composed of 8 nonstandardized off-the-shelf common household odorants presented in opaque containers Closed eyes recommended Pictures of the 8 odorants and 12 distractors provided Additional presentation of misidentified odorants given with feedback Impairment defined as < 6odors being correctly identified Microencapsulated odorants presented in isointensive triads with one being different from the other two Number correct of 16 trials is DISC measure (Continues)

Methodof Limits Threshold Test Eichenbaum et al, 1983 1151

University of

ID

40

0.94

Yes

Yes

Pennsylvania Smell ID Test (UPSIT R ) (also known as Smell ID Test [SIT])

Doty et al, 1984 13

No

No

0.69 (number

Yes-No Odor

DISC

20 (2

Discrimination Test

trials each)

correct)

Corwin, 1988 479

0.67 (d’)

0.85 20

San Diego Odor Identification Test Murphy et al, 1992, 1153 and Markison et al, 1993 1154

ID

8

No

No

Odor

DISC

16

0.43

No

No

Discrimination Test

Smith et al, 1993 1156