Table 3.

Screening performance for detecting hyposmia defined by the UPSIT in PD patients using “winning” smell subsets which contain at least 2 of the 10 most discriminating smell and current abbreviated smell tests

Total no. of smells	No. of discriminatory smells	Hyposmia cut-off score	Abbreviated smell test	Sensitivity (%)	Specificity (%)
4	4	≤ 3	Menthol, Clove, Gingerbread, Orange	100	87.5
5	4	≤ 4	Menthol, Clove, Gingerbread, Orange, Onion	100	87.5
12	5	≤ 9	BSIT-B (includes, Clove, Coconut, Lemon, Wintergreen, Banana)	100	62.5
7	5	≤ 5	Menthol, Cherry, Clove, Gingerbread, Orange, Pine, Pizza	100	37.5
6	5	≤ 4	Menthol, Cherry, Clove, Gingerbread,orange, Root beer	100	12.5
7	2	≤ 6	Menthol, Clove, Leather, Lilac, Watermelon, Smoke, Rose	96.9	37.5
6	3	≤ 5	Menthol, Clove, Gingerbread, Lilac, Watermelon, Smoke	96.9	25
3	3	≤ 2	Menthol, Clove, Coconut	96.9	25
5	4	≤ 3	Menthol, Cherry, Clove, Coconut, Root beer	96.9	12.5
7	3	≤ 4	Cherry, Clove, Gingerbread, Fruit punch, Root beer, Pine, Mint	96.9	12.5
12	2	≤ 9	BSIT-A (includes Lemon, Banana)	90.6	25
4	0	≤ 3	PST-A (none)	81.3	37.5
2	2	≤ 1	Clove, Coconut	81.3	25
4	3	≤ 2	Cherry, Clove, Coconut, Root beer	81.3	12.5
4	0	≤ 3	PST-B (none)	75	25

Smell subsets are ordered according to their respective sensitivities, then by specificity. The most discriminating smells are highlighted in bold