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Table.1 Test statistic – Wilcoxon signed-rank test

From: COVID-19 pandemic and waiting times in outpatient specialist care in Germany: an empirical analysis

Variables n Mean SD Median Variables n Mean SD Median z p r
Waiting time 19 SHI 135 26.13 29.55 15 Waiting time 20 SHI 138 17.09 30.48 5 −4.33 < .001 .43
Waiting time 19 PHI 154 17.37 20.25 12 Waiting time 20 PHI 162 11.09 18.83 4 −4.01 < .001 .36
Waiting time 19 SHI 135 26.13 29.55 15 Waiting time 19 PHI 154 17.37 20.25 12 −5.78 < .001 .50
Waiting time 20 SHI 138 17.09 30.48 5 Waiting time 20 PHI 162 11.09 18.83 4 −4.04 < .001 .36
Difference 19 132 10.40 23.75 2 Difference 20 129 5.76 22.14 1 −2.20 .028 .22
Waiting time undersupply 19 43 24.78 21.31 17 Waiting time undersupply 20 41 18.57 29.55 6.5 −2.94 .003 .54
Waiting time oversupply 19 89 18.52 21.67 10.5 Waiting time oversupply 20 88 8.93 10.33 4 −3.75 < .001 .46
Waiting time Surgeons & Orthopedists 19 38 10.79 9.30 7 Waiting time Surgeons
& Orthopedists 20
40 4.34 4.98 3 −4.71 < .001 .86
Waiting time Gynecologists 19 39 23.59 28.53 15 Waiting time Gynecologists 20 38 20.30 18.34 15.25 −.97 .330 .19
Waiting time Dermatologists 19 14 34.40 17.45 31 Waiting time Dermatologists 20 8 12.75 9.27 12.25 −2.02 .043 .90
Waiting time Otorhinolaryngologists 19 23 18.63 20.35 9 Waiting time Otorhinolaryngologists 20 26 3.88 2.85 3.25 −3.96 < .001 .87
Waiting time Ophthalmologists 19 18 26.31 20.30 21.75 Waiting time Ophthalmologists 20 17 23.50 38.45 12.5 −1.78 .075 .49