Table 3.

Mean of the consumption and costs of antibiotics and LOS in two wards.

Outcomes	Total	Pre-intervention (2018.1-2018.10)		Post-intervention (2019.1-2019.10)		Change rate (%)
		Intervention group(n1)	Control group(n2)	Intervention group(n3)	Control group(n4)	Intervention group	Control group
In the hepatobiliary surgery ward (n1 = 76, n2 = 69, n3 = 120, n4 = 127)
Average LOS	10.50	8.45	9.67	8.88	13.72	5.09	41.88
DDDs per patient	8.05	6.61	7.55	6.78	10.38	2.57	37.48
DDDs per patient day	0.76	0.80	0.78	0.76	0.72	−5.00	−7.69
Antibiotic costs	1244.55	964.81	1336.33	875.11	1711.17	−9.30	28.05
Daily costs	138.17	134.67	151.42	128.29	142.40	−4.74	−5.96
Hospitalization costs	21114.53	16752.25	17660.54	18740.56	27844.73	11.87	57.67
In the respiratory ward (n1 = 176, n2 = 206, n3 = 383, n4 = 353)
Average LOS	8.83	9.67	7.82	9.15	8.67	−5.38	10.87
DDDs per patient	16.81	18.64	14.14	17.42	16.87	−6.55	19.31
DDDs per patient day	1.90	2.06	1.90	1.84	1.89	−10.68	−0.53
Antibiotic costs	2057.63	2620.67	1673.39	2037.22	2025.02	−22.26	21.01
Daily costs	118.98	143.03	117.55	115.18	111.52	−19.47	−5.13
Hospitalization costs	10502.22	10534.39	10592.98	10439.25	10406.77	−0.90	−1.76

LOS, length of hospital stay; DDDs, defined daily doses.