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Table 2 Quarterly rate ratio [Users]/[Non-users] of PCP office visit arrived, no-show and cancellation

From: On the effect of electronic patient portal on primary care utilization and appointment adherence

Quarter Post Adoption PCP Office Visit Arrived PCP Office Visit [no-show]/[appointments made not no-show] PCP Office Visit [canceled]/[appointments made not canceled]
Estimated 95% CI p-value Estimated 95% CI p-value Estimated 95% CI p-value
0 1.330 (1.271, 1.389) < 0.001 0.663 (0.567, 0.759) < 0.001 0.953 (0.871, 1.034) 0.255
1 0.991 (0.935, 1.047) 0.749 0.827 (0.695, 0.959) 0.010 1.051 (0.944, 1.158) 0.351
2 0.950 (0.890, 1.010) 0.100 0.752 (0.612, 0.892) < 0.001 1.053 (0.933, 1.172) 0.386
3 0.950 (0.885, 1.015) 0.131 0.806 (0.645, 0.962) 0.018 0.969 (0.848, 1.090) 0.616
4 0.941 (0.871, 1.010) 0.091 0.784 (0.612, 0.956) 0.014 0.915 (0.790, 1.040) 0.182
5 0.901 (0.828, 0.974) 0.008 0.685 (0.509, 0.862) < 0.001 1.042 (0.890, 1.195) 0.586
6 0.920 (0.836, 1.003) 0.060 0.658 (0.466, 0.850) < 0.001 0.908 (0.755, 1.060) 0.234
7 0.819 (0.734, 0.905) < 0.001 0.932 (0.649, 1.214) 0.635 0.961 (0.777, 1.145) 0.678
8 0.804 (0.704, 0.903) < 0.001 0.835 (0.525, 1.144) 0.295 1.062 (0.825, 1.298) 0.609
9 0.911 (0.773, 1.049) 0.209 0.603 (0.291, 0.915) 0.013 1.081 (0.795, 1.366) 0.580
10 0.905 (0.696, 1.113) 0.371 0.781 (0.232, 1.331) 0.436 1.074 (0.641, 1.508) 0.738