Table 3 Change in the health care utilization of all patients
|  | First year | Second year | ||||
|---|---|---|---|---|---|---|
Geri-OPD (N = 1291) | Non-Geri-OPD (N = 5432) | P | Geri-OPD (N = 1264) | Non-Geri-OPD (N = 5315) | P | |
Annual outpatient department visits (mean ± SD) | −18.18 ± 48.85 | 2.50 ± 28.72 | < 0.01 | −13.05 ± 33.68 | −6.31 ± 34.74 | < 0.01 |
Annual emergency room visits (mean ± SD) | 0.20 ± 6.49 | 0.11 ± 3.96 | 0.64 | −1.25 ± 6.26 | − 0.18 ± 4.80 | < 0.01 |
Number of drugs (mean ± SD) | −5.62 ± 10.85 | 0.30 ± 10.51 | < 0.01 | − 2.37 ± 9.22 | −0.49 ± 10.05 | < 0.01 |
Annual hospitalizations (mean ± SD) | 0.11 ± 1.24 | 0.00 ± 0.88 | 0.01 | −0.44 ± 1.04 | −0.03 ± 0.84 | < 0.01 |
Length of hospital stay (days/year) | 1.60 ± 19.64 | 0.16 ± 12.69 | 0.01 | − 6.09 ± 17.22 | −0.48 ± 12.15 | < 0.01 |
Cost of each clinic visit (log NTD, mean ± SD) | −1.31 ± 2.93 | 0.08 ± 3.38 | < 0.01 | −1.30 ± 3.40 | − 0.22 ± 3.38 | < 0.01 |
Cost of each hospitalization (log NTD, mean ± SD) | 1.13 ± 6.54 | −0.03 ± 5.05 | < 0.01 | − 2.86 ± 6.11 | −0.15 ± 4.92 | < 0.01 |
Cost of annual outpatient care (log NTD, mean ± SD) | − 146.8 ± 393.4 | 17.63 ± 236.4 | < 0.01 | −98.08 ± 264.1 | − 47.80 ± 279.3 | < 0.01 |
Cost of annual hospitalizations (log NTD, mean ± SD) | 1.16 ± 13.36 | − 0.01 ± 9.59 | 0.01 | −4.76 ± 11.17 | −0.30 ± 9.12 | < 0.01 |