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Low hand index: PB/HL < 0,425 (= narrow hand shape)

Prevalence in general population (GP): very common [~20% | 1:1 | weight: 1,00]

NOTICE: low hand index is more common in females than males, also more common in East-Asians

Most likely diagnostic options for low hand index (ranked by 'weight' for the general population):


High Conscientiousness (C+) [~30% | 1:4 | weight: 0,37]


Marfan syndrome [~90?% | 1:6K | weight: 0,0007]
Prader-Willi syndrome [~50?% | 1:15K | weight: 0,0002]
18q-: de Grouchy syndrome 2 [?% | 1:15K | weight: ?]

[1st figure = prevalence hand sign in condition | 2nd
figure = prevalence condition in GP | 3rd figure =
estimated hand sign weight for condition relative
to GP (>0,5 = present in majority of GP)]

- More: Hand Index (section) -
Low hand index: palm breadth vs. hand length is low.

Quick summary:
low hand index is often seen in females, East Asians & people who score high for the Big Five personality dimension Conscientousness (C+); very low hand index is typically seen in Marfan syndrome.

[In every 100 low hand index (HI) cases in the general population (GP) you can expect to find about 37 high Conscientiousness cases, etc.]

NOTICE: Keep in mind that every single hand sign always bares the potential
to have an association with multiple psychology- and/or health related themes;
a solid assessment always requires a consideration of hand sign combinations!

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