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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Schizophr Res. 2012 Apr 25;138(2-3):280–284. doi: 10.1016/j.schres.2012.03.029

Table 1.

Demographic/Clinical Characteristics and Raw Odor Detection Thresholds
Clinical Risk Low Risk
(n = 17) (n = 15)
Mean ± SD Mean ± SD
Age (years) 18.59 ± 3.47 21.27 ± 2.94
Sex (Male:Female) 11:6 5:10
Education level (years) 11.38 ± 2.83 14.40 ± 2.97
Pack-days 0.11 ± 0.20 0.05 ± 0.14
SOPS1 Total Score 30.94 ± 12.81 2.87 ± 3.56
Odor Detection Thresholds2
    Lyral 2.60 ± 1.13 3.53 ± 0.91
    Citralva 4.33 ± 1.40 4.33 ± 0.83
Odor Identification3 11.06 ± 1.53 13.40 ± 1.24
Odor Discrimination3 10.19 ± 2.32 12.07 ± 1.39
1

SOPS: Scale of Prodromal Symptoms (McGlashan et al., 2001; McGlashan et al., 2003; Miller et al., 1999)

2

Negative log molar concentration

3

Data available for n = 16 Clinical Risk subjects