eTable 1. Comprehensive tests for assessment of olfaction.
| Test, author | Test type | Number of items | Reliability coefficient | Commercially available |
|
Connecticut Chemosensory Clinical Research Center (CCCRC) Test Cain et al., 1983 (21) |
Threshold, identification | 1 10 |
Threshold: 0.68 Identification: 0.60 |
No |
|
University of Pennsylvania Smell Identification Test (UPSIT)
Doty et al., 1984 (e84) |
Identification | 40 | 0.94 | Yes |
|
T&T Olfactometer Toyota et al.,1978 (e85) and Takagi, 1989 (e86) |
Threshold, identification | 5 | Threshold: 0.56–0.71 Identification: 0.33–0.45 |
Yes |
|
Sniffin’ Sticks Test Hummel et al., 1997 (e87) |
Threshold, discrimination, identification | 16 per subtest | 0.72 | Yes |
|
Tasting powders Heilmann et al., 2002 (e43) |
Retronasal identification | 20 | 0.76 | No |
|
European Test of Olfactory Capabilities (ETOC)
Thomas-Danguin et al., 2003 (e88) |
Threshold, identification | 16 | 0.90 | No |
|
Barcelona Smell Test Cardesin et al., 2006 (e89) |
Odor perception, identification, odor memory | 24 | Not published | No |
|
Candy Smell Test Renner et al., 2009 (24) |
Retronasal identification | 23 | 0.75 | No |
|
Extended Sniffin’ Sticks Test Haehner et al., 2009 (e90) |
Threshold, discrimination, identification | 32 | 0.93 | Yes |
|
Sniffin’ Test of Odor Memory (TOM) Croy et al., 2015 (e91) |
Odor memory | 8 | 0.70 | Yes |