xRead - Olfactory Disorders (September 2023)

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INTERNATIONAL CONSENSUS ON OLFACTION

TABLE VIII.10 Correlations among extant psychophysical olfactory tests

Age,mean (SDor range), year

No. of patients (male/female)

Correlation coefficients

Study groups Healthy patients

Correlated tests

P value

Study author

Doty et al, 1984 13 42.4 (18.9)

64

UPSIT R vs threshold (PEA) UPSIT R vs threshold (PEA)

0.89

0.001

Healthy minus anosmic patients

0.79

0.001

77 (70–90)

NR

Healthy patients

ID vs threshold

0.51

0.02

Stevens and

Cain, 1987 1232

(isoamyl butyrate)

ID vs threshold

0.56

0.006

(benzaldehyde)

ID vs threshold (d-limonene) ID vs threshold

0.63

0.003

21.0 (18–24) NR

Healthy patients

0.30

NS

(isoamyl butyrate)

ID vs threshold

0.21

NS

(benzaldehyde)

ID vs threshold (d-limonene) ID versusvsvs

0.16

NS

0.77

0.001

47.2 (6–85)

670 (NR)

Mixed and S&T clinic patients

Cainet al, 1988 1233

Threshold threshold (n-butanol) UPSIT R vs butanol threshold (2 sessions with different patients; 4 and 5 trial correct response criterion for thresholds of each session) UPSIT R vsCCCRCID test Butanol threshold vs CCCRC ID test Pyridine threshold vs butanol threshold Pyridine threshold v isoamyl butyrate threshold Pyridine threshold vs PEMEC threshold

Cain and Rabin, 1989 1234

1: 46.5 (9–75) 2: 44.6 (18–33)

24/26 22/36

S&T clinic patients

0.92–0.96

0.001

0.95–0.96

0.001

0.73–0.90

0.001

Cain and Gent, 1991 1202

37.3 (NR)

10/22

Healthy patients

0.74

0.001

0.86

0.001

0.69

0.001

Isoamyl butyrate

0.86

0.001

threshold vs PEMEC threshold

0.71

0.001

Isoamyl butyrate

threshold vs butanol threshold

Butanol threshold vs PEMEC threshold

0.66

0.001

(Continues)