Table 3 Relationship between quality control indicators and costs.
Rates (n%) |  < 30 (RMB) (thousand yuan) | 30–59.9 (RMB) (thousand yuan) | 60–89.9 (RMB) (thousand yuan) |  ≥ 90 (RMB) (thousand yuan) | P for trend |
---|---|---|---|---|---|
Proportion of ICU patient bed occupancy to total inpatient bed occupancy |  < 0.05 | ||||
 < 1 | 29.38 | 32.93 | 16.30 | 21.40 |  |
 1~ | 28.22 | 32.23 | 17.09 | 22.46 |  |
 1.5~ | 22.55 | 33.69 | 17.90 | 25.86 |  |
 2~ | 22.48 | 31.53 | 18.77 | 27.21 |  |
 2.5 | 23.14 | 29.45 | 17.45 | 29.97 |  |
Proportion of ICU patients with APACHE II score ≥ 15 |  < 0.05 | ||||
 < 50 | 22.71 | 29.54 | 18.18 | 29.57 |  |
50 ~  | 27.26 | 33.28 | 16.83 | 22.63 |  |
60 ~  | 23.46 | 32.20 | 18.04 | 26.30 |  |
70 ~  | 28.30 | 32.54 | 16.48 | 22.69 |  |
80 ~  | 29.03 | 34.18 | 16.48 | 20.30 |  |
Microbiology detection rate before antibiotic use | 0.34 | ||||
 < 60 | 25.19 | 32.21 | 17.32 | 25.28 |  |
 60~ | 28.69 | 29.68 | 14.59 | 27.03 |  |
 70~ | 26.19 | 31.78 | 15.25 | 26.78 |  |
 80~ | 25.81 | 32.34 | 17.74 | 24.11 |  |
 90~ | 24.60 | 31.33 | 18.29 | 25.78 |  |