Table 3.
Results of segmented regression models estimating the impact of the law revision on healthcare utilization by hospital type.
| General hospital | Psychiatric hospital/Clinic | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Coefficient | SE | 95% CI | p-value | Coefficient | SE | 95% CI | p-value | ||
|
Psychotic disorders |
Admission | ||||||||
| Baseline trend (exp(β1)) | 0.9988 | 1.0004 | (0.9981 to 0.9995) | 0.0010 | 0.9971 | 1.0001 | (0.9968 to 0.9974) | < 0.0001 | |
| Immediate change (exp(β2)) | 1.2396 | 1.0231 | (1.1854 to 1.2963) | < 0.0001 | 1.1079 | 1.0087 | (1.0892 to 1.1269) | < 0.0001 | |
| Trend change (exp(β3)) | 0.9912 | 1.0011 | (0.9891 to 0.9934) | < 0.0001 | 0.9958 | 1.0004 | (0.9949 to 0.9966) | < 0.0001 | |
| Average inpatient days | |||||||||
| Baseline trend (β1) | -0.1981 | 0.0965 | (-0.3871 to -0.009) | 0.0400 | -0.2742 | 0.0654 | (-0.4024 to -0.1461) | < 0.0001 | |
| Immediate change (β2) | -5.1189 | 5.1273 | (-15.1682 to 4.9304) | 0.3181 | -36.8740 | 3.0654 | (-42.8822 to -30.8658) | < 0.0001 | |
| Trend change (β3) | -0.5210 | 0.2269 | (-0.9658 to -0.0762) | 0.0217 | -0.6496 | 0.1335 | (-0.9114 to -0.3879) | < 0.0001 | |
| ER visits | |||||||||
| Baseline trend (exp(β1)) | 0.9996 | 1.0007 | (0.9982 to 1.001) | 0.5851 | 0.9875 | 1.0005 | (0.9865 to 0.9885) | < 0.0001 | |
| Immediate change (exp(β2)) | 1.1445 | 1.0468 | (1.0466 to 1.2518) | 0.0031 | 0.9864 | 1.0390 | (0.915 to 1.0633) | 0.7208 | |
| Trend change (exp(β3)) | 0.9951 | 1.0022 | (0.9908 to 0.9994) | 0.0246 | 1.0120 | 1.0018 | (1.0083 to 1.0156) | < 0.0001 | |
| Admission Through ER | |||||||||
| Baseline trend (exp(β1)) | 1.0021 | 1.0011 | (0.9999 to 1.0043) | 0.0613 | 0.9900 | 1.0009 | (0.9884 to 0.9917) | < 0.0001 | |
| Immediate change (exp(β2)) | 0.9291 | 1.0577 | (0.8323 to 1.0372) | 0.1903 | 0.9621 | 1.0415 | (0.8883 to 1.0421) | 0.3434 | |
| Trend change (exp(β3)) | 1.0010 | 1.0032 | (0.9948 to 1.0072) | 0.7433 | 1.0106 | 1.0025 | (1.0056 to 1.0155) | < 0.0001 | |
|
Mood disorders |
Admission | ||||||||
| Baseline trend (exp(β1)) | 0.9977 | 1.0002 | (0.9972 to 0.9982) | < 0.0001 | 0.9971 | 1.0001 | (0.9968 to 0.9974) | < 0.0001 | |
| Immediate change (exp(β2)) | 1.0781 | 1.0153 | (1.0464 to 1.1106) | < 0.0001 | 0.9125 | 1.0088 | (0.8968 to 0.9284) | < 0.0001 | |
| Trend change (exp(β3)) | 0.9956 | 1.0007 | (0.9942 to 0.997) | < 0.0001 | 0.9971 | 1.0004 | (0.9963 to 0.998) | < 0.0001 | |
| Average inpatient days | |||||||||
| Baseline trend (β1) | -0.0324 | 0.0147 | (-0.0612 to -0.0036) | 0.0275 | 0.0736 | 0.0235 | (0.0276 to 0.1196) | 0.0017 | |
| Immediate change (β2) | -0.7660 | 0.8241 | (-2.3812 to 0.8493) | 0.3527 | -4.8712 | 1.4443 | (-7.7019 to -2.0405) | 0.0007 | |
| Trend change (β3) | -0.0200 | 0.0342 | (-0.0869 to 0.047) | 0.5588 | -0.0715 | 0.0654 | (-0.1997 to 0.0567) | 0.2743 | |
| ER visits | |||||||||
| Baseline trend (exp(β1)) | 0.9960 | 1.0005 | (0.9951 to 0.9969) | < 0.0001 | 0.9938 | 1.0004 | (0.993 to 0.9946) | < 0.0001 | |
| Immediate change (exp(β2)) | 1.0495 | 1.0296 | (0.9912 to 1.1112) | 0.0975 | 0.8738 | 1.0286 | (0.8269 to 0.9235) | < 0.0001 | |
| Trend change (exp(β3)) | 1.0052 | 1.0014 | (1.0025 to 1.0079) | 0.0001 | 1.0069 | 1.0013 | (1.0044 to 1.0094) | < 0.0001 | |
| Admission Through ER | |||||||||
| Baseline trend (exp(β1)) | 0.9990 | 1.0006 | (0.9979 to 1.0001) | 0.0850 | 0.9971 | 1.0005 | (0.996 to 0.9981) | < 0.0001 | |
| Immediate change (exp(β2)) | 0.9977 | 1.0351 | (0.9324 to 1.0675) | 0.9467 | 0.9476 | 1.0322 | (0.8905 to 1.0085) | 0.0903 | |
| Trend change (exp(β3)) | 1.0094 | 1.0017 | (1.0061 to 1.0128) | < 0.0001 | 1.0099 | 1.0015 | (1.007 to 1.0129) | < 0.0001 | |
SE, standard error; CI, confidence interval; ER, emergency room.