Table 3

Comparison of the differences of ICOC between group utilization status after PSM
Utilization rate of ED service Hospitalization
Mean (StdDev) T-Test H0No= μYes Mean (StdDev) T-Test H0No= μYes
P-Value (sig. level) P-Value (sig. level)
COC index of medical facility level
All chronic conditions
Total 0.6253 (0.2387) 0.6265 (0.2371)
Utilization status
Non-use 0.6297 (0.2386) 0.0021 0.6245 (0.2361) 0.0058
Use 0.6210 (0.2387) 0.6283 (0.2380)
Major chronic condition
Total 0.8674 (0.1983) 0.8749 (0.1933)
Utilization status
Non-use 0.8816 (0.1890) 0.0000 * 0.8869 (0.1850) 0.0000 *
Use 0.8531 (0.2062) 0.8636 (0.2000)
COC index of physician level
All chronic conditions
Total 0.4237 (0.2003) 0.4288 (0.1985)
Utilization status
Non-use 0.4229 (0.1945) 0.5350 0.4324 (0.1959) 0.0000 *
Use 0.4244 (0.2059) 0.4255 (0.2008)
Major chronic condition
Total 0.6931 (0.2683) 0.7080 (0.2656)
Utilization status
Non-use 0.7080 (0.2643) 0.0000 * 0.7274 (0.2613) 0.0000 *
Use 0.6782 (0.2715) 0.6896 (0.2683)

Note: ‘*’ indicates statistical significance under P ≤ 0.001; ED: Emergency Department.

Chan et al.

Chan et al. BMC Health Services Research 2012 12:405   doi:10.1186/1472-6963-12-405

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