Table 3 Comparison of laboratory test report times before and after IT-based optimisation
From: Comprehensive improvements in the emergency laboratory test process based on information technology
Month | 2021 (before optimisation) | 2022 (after optimisation) | Z | P | ||
|---|---|---|---|---|---|---|
Number of items | Report time M (IQR) (min) | Number of items | Report time M (IQR) (min) | |||
January | 23,936 | 28(22) | 26,384 | 25(24) | -19.139 | < 0.001 |
February | 18,411 | 27(22) | 17,598 | 24(24) | -11.516 | < 0.001 |
March | 26,436 | 29(23) | 25,592 | 26(26) | -16.288 | < 0.001 |
April | 20,448 | 28(23) | 28,012 | 25(24) | -20.460 | < 0.001 |
May | 21,366 | 29(23) | 30,929 | 25(25) | -28.326 | < 0.001 |
June | 26,533 | 31(24) | 32,894 | 27(25) | -33.300 | < 0.001 |
July | 34,820 | 30(23) | 32,699 | 26(24) | -21.733 | < 0.001 |
August | 26,562 | 32(24) | 33,126 | 27(26) | -39.652 | < 0.001 |
September | 23,627 | 30(25) | 32,417 | 26(24) | -38.696 | < 0.001 |
Total | 222,139 | 30(24) | 259,651 | 25(25) | -32.153 | < 0.001 |