Table 4 Sensitivity, specificity,...

Table 4

Sensitivity, specificity, Youden's index and cut point of T-GDS (18 items) in the severity of game addiction scale

Game addiction level	T-GDS score	Sensitivity (%)	Specificity (%)	Youden's index	Cut point	Score range
Normal	0.0	–	–	–	–	0–14
Mild	≥13.5	92.68	90.57	0.83	14	14–27
Moderate	≥27.5	82.69	92.09	0.75	28	28–41
Severe	≥41.5	85.00	98.73	0.84	42	42–54

Game addiction level	T-GDS score	Sensitivity (%)	Specificity (%)	Youden's index	Cut point	Score range
Normal	0.0	–	–	–	–	0–14
Mild	≥13.5	92.68	90.57	0.83	14	14–27
Moderate	≥27.5	82.69	92.09	0.75	28	28–41
Severe	≥41.5	85.00	98.73	0.84	42	42–54