Table 3.
Parameters showing high sensitivity, specificity, AUC and SF as an independent parameter to segregate the maximum number of FHD patients from HCs
Skin condition | Object weight | Parameters | Cutoff | Sensitivity | Specificity | AUC | No. of FHD patients screened (out of 16) | No. of controls screened (out of 50) |
---|---|---|---|---|---|---|---|---|
Parameters with high sensitivity, specificity and AUC | ||||||||
DSC | 1.3 N | SF (N) | 0.68 | 0.68 | 0.67 | 0.69 | 9 | 34 |
LPD (s) | 0.24 | 0.80 | 0.76 | 0.81 | 12 | 38 | ||
VWSC* | 1.3 N* | SF (N) | 0.93 | 0.80* | 0.80* | 0.84* | 11 | 33 |
LPD (s) | 0.27 | 0.80* | 0.80* | 0.80* | 12 | 40 | ||
DSC | 1.7 N | SF (N) | 0.98 | 0.48 | 0.47 | 0.56 | 7 | 26 |
LPD (s) | 0.28 | 0.73 | 0.68 | 0.78 | 10 | 34 | ||
VWSC* | 1.7 N* | SF (N) | 1.2 | 0.84* | 0.79* | 0.83* | 13 | 41 |
LPD (s) | 0.26 | 0.67* | 0.62* | 0.74* | 9 | 31 | ||
Slip force distinguished maximum number of FHD patients from HCs at 1.7 N VWSC | ||||||||
VWSC† | 1.7 N† | SF (N) | 1.2 | 84.6 | 79.5 | 0.83 | 13 | 41 |
object weights and skin condition which showed high sensitivity, specificity and AUC,
object weight and skin condition under which the maximum number of patients with FHD were distinguished from HCs.
DSC: dry skin condition, VWSC: very wet skin condition, SF: slip force, LPD: loading phase duration, N: Newtons, s: seconds, AUC: area under curve, FHD: focal hand dystonia, HCs: healthy controls.