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Table 2 Estimated results for multiple group ITSA with two interventions for total, chronic diseases, cancer, and AURIs

From: Healthcare utilisation for elderly people at the onset of the COVID-19 pandemic in South Korea

   AURIs Total Hypertension Diabetes Cancer
Intercept Coefficients 0.056 0.074 −0.164 −0.116 0.028
95% CI −0.162,0.275 −0.102,0.250 −0.491,0.163 −0.460,0.228 −0.448,0.504
P-value 0.599 0.396 0.310 0.492 0.903
Trend before intervention Coefficients 0.149 0.052 0.123 0.131 0.196
95% CI 0.011,0.287 −0.034,0.139 −0.063,0.309 −0.063,0.326 −0.060,0.452
P-value 0.036 0.227 0.185 0.176 0.127
Level change after 1st intervention (week 6) Coefficients −0.759 −0.598 −0.506 −0.543 −0.957
95% CI −1.339,-0.178 −1.007,-0.190 −1.259,0.247 −1.330,0.243 −1.945,0.031
P-value 0.013 0.006 0.178 0.167 0.057
Trend change after 1st intervention (week 6) Coefficients −0.204 −0.017 −0.125 −0.133 −0.191
95% CI −0.341,-0.067 −0.125,0.091 −0.309,0.060 −0.325,0.060 −0.449,0.067
P-value 0.005 0.751 0.175 0.167 0.140
Level change after 2nd intervention (week 17) Coefficients 0.070 −0.078 0.043 0.058 0.080
95% CI −0.029,0.168 −0.641,0.486 −0.035,0.122 −0.028,0.144 −0.047,0.206
P-value 0.156 0.779 0.265 0.175 0.205
Trend change after 2nd intervention (week 17) Coefficients 0.078 −0.032 0.000 −0.000 −0.008
95% CI 0.064,0.092 −0.107,0.043 −0.008,0.009 −0.010,0.009 −0.020,0.004
P-value 0.0001 0.392 0.980 0.918 0.161
  1. Note: This table presents the results of single interrupted time series analyses between January 2020 and July 2020. The defendant variable is the change in the volume of patients per week