Table 4 Utilization of emergency medical services of the subjects with catastrophic illness who had mental-related disorders and those with other disorders

ED-visited subjects

1,123

6,319

Averaged ED visits per 1,000 persons monthly (95% CI)

59.37 (56.29 , 62.45)

63.65 (60.63, 66.68)

Mean (S.D.) of drug cost per visit ($NT)

305.8

(921.2)

350.9

(1391.3)

0.295

Mean (S.D.) of treatment cost per visit ($NT)

2883.4

(3838.8)

3495.2

(5512.5)

< 0.001

Mean (S.D.) of total medical cost per visit ($NT)

3801.8

(4420.7)

4470.7

(6736.1)

< 0.001