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对恶性肿瘤医院感染病例和非感染病例各１０４例进行配对调查结果发现，发生医院感染的病例总住院费为４９５１．５９元，明显高于对照病例３６９４．４２元，两组差异非常显著（ｔ＝２．５２Ｐ＜０．０１）。住院各项经费比较可见中西药费两组有非常显著的差别（Ｐ＜０．０１）。各科室和各科中西药费比较均见放疗科两组差异显著（Ｐ＜０．００５Ｐ＜０．０１）。各感染部位比较可见下呼吸道和术后伤口感染两组有显著差异（Ｐ＜０．０１Ｐ＜０．０５）。上述结果提示，恶性肿瘤患者发生医院感染可使患者的经济负担明显加重。
A paired survey of 104 malignancies hospital infections and 104 non-infected cases found that the total hospitalization costs for hospital infections were 4951.59 yuan, which was significantly higher than the control case 3694.42 yuan. The difference between the two groups was very significant (t =2.52P<0.01). The comparison of various hospital expenses showed that there were very significant differences between the two groups (P<0.01). The differences between Chinese and Western medicines in various departments and departments were significantly different between radiotherapy departments (P<0.005 P<0.01). There were significant differences between the lower respiratory tract and postoperative wound infection between the two groups (P<0.01 P<0.05). The above results suggest that nosocomial infections in patients with malignant tumors can significantly increase the economic burden on patients.