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Open access

Shaobo Wei and Kwok-Kee Wei


Drawing upon the resource-based and relational view, this study examines how the three types of IT competencies (i.e., IT objects, IT operations, and IT knowledge) differentially affect firm performance and how such effects are moderated by interorganizational communication (IOC). We test the hypotheses of interest with data collected from 258 firms in China. The results of hierarchical regression analysis reveal that IT operations and IT knowledge significantly improve firm performance, while IT objects are found to be insignificant. In addition, the moderating effect of IOC on the relationship between the three types of IT competencies and firm performance varies across diffenent types of IT competencies. Specifically, IOC positively moderates the relationship between both IT operations and IT knowledge and firm performance. However, the moderating effect of IOC on the relationship between IT objects and firm performance is not significant.

Open access

Xiao-Jing Guo, Li-Li Wei, Xin-Hui Li, Ning- Ning Yu, Shao-Bo Gao, Dong-Yan Qin, Fu-Mei Chu and Kun Li



The aim of this study was to explore the safe and effective method of expectoration in the preoperative period of patients with lung cancer resection and to promote the rehabilitation of patients.


A total of 100 cases of lung cancer patients undergoing elective surgery were divided into the observation group and the control group, with 50 cases in each group. The control group was treated with vibration expectoration vest for expectoration during the perioperative period, and the observation group was treated with respiratory function exerciser that has expectoration function in the perioperative period, three times a day, and the effect was evaluated after 5 days.


The number of patients in the observation group after the first expectoration time was significantly less than that of the control group (P<0.001). Pain score, pulmonary atelectasis, and pulmonary infection rate of the observation group were significantly lower than those of the control group; the hospitalization time was significantly shorter than that of the control group; and the difference was statistically significant (P<0.05).


Lobectomy for lung cancer patients with perioperative respiratory training for respiratory function exercise, compared with conventional methods, is helpful for postoperative expectoration and to reduce the incidence of adverse events.