Table 4 Comparison of various factors before and after intervention.
Before (n = 9,873) | After (n = 13,984) | X2/t | P | |
|---|---|---|---|---|
TAT (min) | 29 (35, 56) | 21 (23, 32) | 93.9 | 0.00** |
30 min timeout rate (%) | 66.9% | 11.8% | 7754.7 | 0.00** |
Instrument failure rate (%) | 45.3% | 0.1% | 7722.9 | 0.00** |
Specimen waiting time (s) | 2317.2 ± 985.9 | 1507.7 ± 535.2 | 81.6 | 0.00** |
Report timeout ratio for each group of employees, %(N) | ||||
A | 70.3% (196) | 10.9% (200) | 558.3 | 0.00** |
B | 60.1% (215) | 16.1% (20) | 71.1 | 0.00** |
C | 68.8% (99) | 14.7% (5) | 33.1 | 0.00** |
D | 65.6% (1,424) | 10.4% (206) | 1,323.6 | 0.00** |
E | 61.0% (322) | 9.4% (93) | 462.4 | 0.00** |
F | 63.8% (932) | 16.4% (242) | 689.6 | 0.00** |
G | 69.2% (3,414) | 11.7% (885) | 4,363.5 | 0.00** |