Table 2.
Comparison of outcomes with different models, 2017
| Outcome | BSI | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|---|
| Mean | Difference | Mean | Difference | Mean | Difference | ||
| LOS, days | 34.45 | 9.39 | 25.06* | 13.18 | 21.27* | 17.59 | 16.86* |
| Total charges, USD | 27,102.16 | 5060.43 | 22,041.73* | 8552.69 | 18,549.47* | 11,192.94 | 15,909.21* |
| Treatment, USD | |||||||
| Treatment (no-surgery) | 3119.80 | 357.47 | 2762.32* | 744.72 | 2375.08* | 1140.00 | 1979.80* |
| Surgery | 551.73 | 426.62 | 125.11* | 564.72 | −12.99 | 620.70 | −68.79 |
| Nursing | 223.48 | 37.14 | 186.34* | 63.54 | 159.94* | 96.03 | 127.45* |
| Anesthesia | 82.26 | 54.21 | 28.05* | 70.68 | 11.58 | 69.87 | 12.39* |
| Laboratory & examination, USD | |||||||
| Laboratory | 3713.34 | 543.02 | 3170.31* | 1111.61 | 2601.72* | 1327.96 | 2385.37* |
| Radiology | 610.32 | 242.84 | 367.48* | 295.55 | 314.76* | 353.69 | 256.62* |
| Medicine & material, USD | |||||||
| Western medicine | 13,322.52 | 1573.54 | 11,748.98* | 3477.33 | 9845.19* | 4747.36 | 8575.16* |
| Medical material | 4629.44 | 1961.10 | 2668.34* | 2404.98 | 2224.46* | 2845.10 | 1784.34* |
| Blood | 976.72 | 221.17 | 755.54* | 298.85 | 680.86* | 547.96 | 428.75* |
| Chinese medicine | 62.44 | 70.36 | −7.91 | 44.04 | 18.41 | 60.69 | 1.75 |
| Bed & meal, USD | 696.74 | 149.77 | 546.97* | 215.15 | 481.59* | 328.49 | 368.25* |
| Other, USD | 47.94 | 14.63 | 33.31* | 20.62 | 27.32* | 25.78 | 22.16* |
Model 1, no matching; Model 2, conventional propensity score matching; Model 3, risk set matching. BSI Bloodstream infection, LOS Length of stay. T test was applied for mean cost and LOS. *P-value< 0.05