Table 2.
Comparison of utilization of hypertension-related inpatient services during a one-year follow-up period between National Health Insurance and Medical Aid enrollees
| National Health Insurance (HI) | Medical Aid (MA) | |||
|---|---|---|---|---|
| All | Class I | Class II | ||
| No. enrollees | 304,027 | 21,539 | 17,248 | 4,291 |
| No. patients hospitalized with HTN per 1,000 patients | 62.29 | 170.71 | 186.69 | 106.50 |
| Average LOS per patient in days (SD) | 1.27 | 6.04 | 6.74 | 3.24 |
| (11.22) | (28.55) | (30.03) | (21.42) | |
| Average cost for ICS per patient (SD) | 175,892 | 507,192 | 562,100 | 286,482 |
| (1,136,418) | (1,921,397) | (2,008,176) | (1,503,610) | |
| Average LOS per admission in days (SD) | 11.15 | 12.83 | 12.98 | 11.79 |
| (11.19) | (10.94) | (10.99) | (10.49) | |
| Average cost for ICS per admission (SD) | 1,958,934 | 1,429,097 | 1,433,674 | 1,396,845 |
| (2,298,445) | (1,749,599) | (1,730,079) | (1,883,112) | |
| Average LOS per patient hospitalized with HTN in days (SD) | 20.39 | 35.39 | 36.09 | 30.42 |
| (40.38) | (61.14) | (61.40) | (59.07) | |
| Average cost for ICS per patient hospitalized with HTN (SD) | 2,823,890 | 2,971,010 | 3,010,903 | 2,689,922 |
| (3,640,973) | (3,782,638) | (3,772,490) | (3,845,845) | |
SD = standard deviation; LOS = length of stay; HTN = hypertension; ICS = insurance-covered services; All inpatient services were hypertension-related, with a primary, secondary, tertiary, or quaternary diagnosis of hypertension; All costs are presented in 2006 Korean currency value (1,200 Korean won [KRW] =1 US dollar).