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Tourism integration is a trend in regional tourism economic development and cultural integration. Tourism economic linkages greatly influence regional tourism integration, becoming progressively obvious with the strength of linkages. However, their influence on regions with rich tourism resources and underdeveloped economies are understudied. This article takes the national tourism resources above 3A level in the Poyang Lake region, Jiangxi Province, as the research object, analysing the evolution of regional tourism economic linkages and the development process of tourism integration in the past 17 years by constructing a new gravity model of regional tourism economic linkages and research methods of transportation network accessibility. The results show that the evolution of regional tourism economic linkages and the accessibility of transportation networks significantly impact regional tourism economies and tourism integration evolution. The evolution process of regional tourism development had different stage models; four theoretical models of regional tourism integration evolution were extracted: point‐core model, point‐axis corridor model, multi‐centre ring‐axis model, and network integration model. The construction of the new regional tourism economic linkages model and the proposal of the evolutionary model for tourism integration provide references for study and for formulating the sustainable development of regional tourism integration locally and abroad. [ABSTRACT FROM AUTHOR]

Objective The 2% lignocaine gel has long been used for male urethral catheterization, but aqueous gel as lubricant has been used for females. However, studies report that females experience pain during urethral catheterization. We compared the effectiveness of 2% lignocaine gel (intervention) and aqueous gel (control) for female urethral catheterization in reducing procedural pain. Methods A double-blinded, randomized controlled trial (RCT) was conducted from November 2011 to April 2012 in an acute care hospital in Singapore. In total, 52 adult female inpatients (26 interventions vs. 26 controls) requiring urethral catheterization were included in the study. The intervention included patients receiving 2% lignocaine gel as a lubricant for urethral catheterization. Patients' pre- and postprocedural visual analog scale ( VAS) were collected prospectively and nonparametric tests were used for data analysis. Results There was a significant reduction from the preprocedure pain score (Median = 22.0 mm) to the postprocedural pain score (Median = 6.6 mm) in the 2% lignocaine group (Z = −3.8, P < 0.001), but not in the aqueous gel group (pre vs. post: 16.5 mm vs. 18.2 mm; Z = −0.36, P = 0.716). Subjects using 2% lignocaine gel had significantly more reduction in the postprocedural pain score than the aqueous gel group (U = 209.5, P = 0.019). Conclusions The 2% lignocaine gel significantly reduces the procedural pain of female urethral catheterization as compared with aqueous gel. This study provides evidence for the hospital to change the current practice in the hope of reducing procedural pain for female patients during urethral catheterization. [ABSTRACT FROM AUTHOR]