Objective To study the risk factors of mediastinal lymph node metastasis in patients with ≤3 cm peripheral non small cell lung cancer. Methods From January 2000 to December 2010,a total of 281 patients with NSCLC [15...Objective To study the risk factors of mediastinal lymph node metastasis in patients with ≤3 cm peripheral non small cell lung cancer. Methods From January 2000 to December 2010,a total of 281 patients with NSCLC [152 men and 129 women,aged (60. 31 ± 12. 13) years; ≤ 3 cm in diameter]underwent lobectomy or partial resection with systematic mediastinal lymphadenectomy in hospital. Clinical data included age,gender,展开更多
Transportation is defined as port to port transfer of person or goods by a medium which can be a vehicle or a person. Pedestrians being the most neglected mode of transportation in terms of safety and facility, face d...Transportation is defined as port to port transfer of person or goods by a medium which can be a vehicle or a person. Pedestrians being the most neglected mode of transportation in terms of safety and facility, face difficult situations while crossing near intersections and midblock crossings. It becomes more of a risk when the place of crossing is uncontrolled.But if behaviour of pedestrians while crossing is analysed in such conditions, it might be possible to create suitable solution to lessen the risk and ensure safety. In most of the cities, accepting suitable gaps between vehicles in uncontrolled midblock and intersection crossings pose threat to pedestrians＇ safety. The present study examines the safety of pedestrian crossing behaviour at midblock and unsignalised intersection crossings.Crossing time, speed, stages of crossing, number of interruptions while crossing, and the type of vehicles for which pedestrians accept the gap were extracted from the video. The tendency to show rolling gap behavior was observed and examined for different age and gender groups to analyse the risk involved in such type of crossings. The risks analysed from the study in correlation with the pedestrian demand in such uncontrolled crossings will help in design of safer pedestrian facilities. It was observed that the size of the vehicle has a significant influence on gap acceptance and crossing behaviour of pedestrians. Male pedestrians take more risks than female pedestrians in crossing unsignalized intersections. Middle aged pedestrian category poses 60.1% more chances of interrupted crossing than the other elder and young age categories of pedestrians. Male pedestrian category and the middle aged pedestrian category are more tended to accept the smallest gap between the vehicles showing a risky nature of crossing.展开更多
文摘Objective To study the risk factors of mediastinal lymph node metastasis in patients with ≤3 cm peripheral non small cell lung cancer. Methods From January 2000 to December 2010,a total of 281 patients with NSCLC [152 men and 129 women,aged (60. 31 ± 12. 13) years; ≤ 3 cm in diameter]underwent lobectomy or partial resection with systematic mediastinal lymphadenectomy in hospital. Clinical data included age,gender,
基金supported by Science and Engineering Research Board, Department of Science and Technology, Government of India under "Fast Track Young Scientist-Engineering Science Scheme" under grant number SERB/F/1821/ 2014-2015 dated 18th June, 2014the research project panel for their insightful comments and sanctioning of the project
文摘Transportation is defined as port to port transfer of person or goods by a medium which can be a vehicle or a person. Pedestrians being the most neglected mode of transportation in terms of safety and facility, face difficult situations while crossing near intersections and midblock crossings. It becomes more of a risk when the place of crossing is uncontrolled.But if behaviour of pedestrians while crossing is analysed in such conditions, it might be possible to create suitable solution to lessen the risk and ensure safety. In most of the cities, accepting suitable gaps between vehicles in uncontrolled midblock and intersection crossings pose threat to pedestrians＇ safety. The present study examines the safety of pedestrian crossing behaviour at midblock and unsignalised intersection crossings.Crossing time, speed, stages of crossing, number of interruptions while crossing, and the type of vehicles for which pedestrians accept the gap were extracted from the video. The tendency to show rolling gap behavior was observed and examined for different age and gender groups to analyse the risk involved in such type of crossings. The risks analysed from the study in correlation with the pedestrian demand in such uncontrolled crossings will help in design of safer pedestrian facilities. It was observed that the size of the vehicle has a significant influence on gap acceptance and crossing behaviour of pedestrians. Male pedestrians take more risks than female pedestrians in crossing unsignalized intersections. Middle aged pedestrian category poses 60.1% more chances of interrupted crossing than the other elder and young age categories of pedestrians. Male pedestrian category and the middle aged pedestrian category are more tended to accept the smallest gap between the vehicles showing a risky nature of crossing.
