From: Predicting emergency department visits in a large teaching hospital
Variable | Estimate | Standard error | t-value | P-value | Significance level |
---|---|---|---|---|---|
(Intercept) | 248.911211 | 46.168830 | 5.391 | 9.01e−08 | <.001 |
Monday | 11.186836 | 1.049152 | 10.663 | <2e−16 | <.001 |
Friday | 9.124763 | 1.405000 | 6.494 | 1.40e−10 | <.001 |
Saturday | − 8.856937 | 1.151790 | − 7.690 | 3.98e−14 | <.001 |
Sunday | − 9.348118 | 1.858019 | − 5.031 | 5.92e−07 | <.001 |
May | − 2.833858 | 1.505424 | − 1.882 | 0.060110 | N.S. |
August | − 2.783141 | 1.467921 | − 1.896 | 0.058294 | N.S. |
Friday * Spring | 6.425346 | 2.359589 | 2.723 | 0.006597 | <.01 |
Wednesday * Summer | − 2.758180 | 1.800220 | − 1.523 | 0.125852 | N.S. |
Friday * Summer | − 4.491005 | 2.170668 | − 2.069 | 0.038845 | <.05 |
Tuesday * Fall | − 4.747532 | 1.754273 | − 2.706 | 0.006937 | <.01 |
Thursday * Fall | − 4.330716 | 1.751428 | − 2.473 | 0.013600 | <.05 |
Saturday * Winter | − 4.727871 | 2.171958 | − 2.177 | 0.029765 | <.05 |
Summer vacation week 1 + 2 | − 7.220153 | 1.869252 | − 3.863 | 0.000120 | <.001 |
Summer vacation week 3 + 4 | − 9.962722 | 1.862460 | − 5.349 | 1.13e−07 | <.001 |
Friday * Vacation | − 6.502580 | 2.961668 | − 2.196 | 0.028385 | <.05 |
Monday * Holiday | − 23.301127 | 3.296739 | − 7.068 | 3.22e−12 | <.001 |
Wednesday * Holiday | − 23.211391 | 6.806075 | − 3.410 | 0.000682 | <.001 |
Thursday * Holiday | − 25.870551 | 5.598786 | − 4.621 | 4.40e−06 | <.001 |
Friday * Holiday | − 26.937684 | 9.743801 | − 2.765 | 0.005820 | <.01 |
Time trend | 0.010184 | 0.001397 | 7.292 | 6.87e−13 | <.001 |
Sunday * Time trend | − 0.006243 | 0.003389 | − 1.842 | 0.065813 | N.S. |
Summer vacation * time trend | − 0.013159 | 0.002659 | − 4.948 | 8.99e−07 | <.001 |
Carnival * Time trend | 0.026781 | 0.008749 | 3.061 | 0.002274 | <.01 |
Summer * Minimum wind speed Kaathoven | 1.227642 | 0.422316 | 2.907 | 0.003742 | <.01 |
Summer * Minimum wind speed Drunen | − 1.104485 | 0.439693 | − 2.512 | 0.012186 | <.05 |
Maximum temperature Drunen | 0.033942 | 0.009225 | 3.680 | 0.000248 | <.001 |
Winter * Maximum temperature Kaathoven | − 0.072152 | 0.023500 | − 3.070 | 0.002205 | <.01 |
Radiation Drunen | 0.003902 | 0.001086 | 3.592 | 0.000347 | <.001 |
Maximum pressure Kaathoven | − 0.014939 | 0.004470 | − 3.342 | 0.000866 | <.001 |
Maximum humidity Drunen | − 0.244718 | 0.099745 | − 2.453 | 0.014345 | <.05 |
Winter * Mean humidity Kaathoven | 1.056103 | 0.460616 | 2.293 | 0.022096 | <.05 |
Winter * Mean humidity Drunen | − 0.942567 | 0.465086 | − 2.072 | 0.043002 | <.05 |
Cloudiness Kaathoven | 4.299755 | 1.479477 | 2.906 | 0.003750 | <.01 |
Cloudiness Drunen | − 3.950170 | 1.452272 | − 2.720 | 0.006658 | <.01 |
Minimum visibility Kaathoven | − 0.028843 | 0.011739 | − 2.457 | 0.014203 | <.05 |
Fall * Minimum visibility Drunen | 0.060823 | 0.016224 | 3.749 | 0.000189 | <.001 |
Fall * Maximum visibility Drunen | − 0.011680 | 0.004764 | − 2.451 | 0.014422 | <.05 |
Precipitation duration Kaathoven | − 0.229262 | 0.101833 | − 2.939 | 0.003382 | <.01 |
Precipitation duration Drunen | 0.349550 | 0.102416 | 3.413 | 0.000672 | <.001 |
Summer * Precipitation Kaathoven (precipitation stations) | − 0.040857 | 0.023192 | − 1.762 | 0.078436 | N.S. |
Summer * Precipitation Duration Drunen | − 0.127771 | 0.043480 | − 2.939 | 0.003384 | <.01 |
Summer vacation * Precipitation Kaathoven (precipitation stations) | 0.138976 | 0.046988 | 2.958 | 0.003183 | <.01 |
Summer vacation * Maximum Precipitation Drunen | − 0.105203 | 0.046440 | − 2.265 | 0.023736 | <.05 |
Hours of fog | 1.254639 | 0.292019 | 4.296 | 1.93e−05 | <.001 |
Spring * Hours of fog Drunen | − 0.708256 | 0.492974 | − 1.437 | 0.151162 | N.S. |
Winter * Hours of fog Kaathoven | − 2.742514 | 0.928981 | − 2.952 | 0.003240 | <.01 |
Winter * Hours of fog Drunen | 1.726884 | 0.951881 | 1.814 | 0.069993 | N.S. |
Winter * Hours of snow | − 1.150906 | 0.375299 | − 3.067 | 0.002232 | <.01 |
Residual standard error | 9.439 on 872 degrees of freedom | ||||
Multiple R-squared | 0.5587 | ||||
Adjusted R-squared | 0.5344 | ||||
F-statistic | 23 on 48 and 872 degrees of freedom, P-value: < 2.2e−16 |