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| 1 | Interconversion of two commonly used performance tools: An analysis of 5844 paired assessments in 1501 lung cancer patients显示文摘AIM To establish the Karnofsky performance status(KPS) categories which would facilitate the interconversion of the KPS scale to the Eastern Cooperative Oncology Group(ECOG) performance status(PS) scale.METHODS This was a retrospective analysis of all patients attending the lung cancer clinic at a tertiary care center over a 5-year period(September 2009 to August 2014). All patients were assessed with both KPS and ECOG PS scales at each visit. Correlation between KPS and ECOG PS was assessed using Spearman's correlation coefficient. KPS categories equivalent to ECOG PS scores were compared using hit rate and weighted kappa(κw).RESULTS A total of 1501 patients were assessed over the study period, providing 5844 paired KPS and ECOG PS assessments. The study cohort had a mean(standard deviation; SD) age of 58.4(10.8) years, with the majority being current or ex-smokers(76.9%) and males(82.3%). Non-small cell lung cancer was the most common histological type(n = 1196, 79.7%) with the majority having advanced(stage ⅢB/Ⅳ) disease(83.4%). Mean baseline KPS and ECOG PS scores were 77.6(SD = 14.4) and 1.5(SD = 1) respectively. The most frequent KPS score was 80(29%), and the most frequent ECOG PS score was 1(43%). The overall correlation between KPS and ECOG PS was good(Spearman r =-0.84, P < 0.0001) but ranged from-0.727 to-0.972 between visits. KPS categories derived from our cohort [10-40(ECOG 4), 50-60(ECOG 3), 70(ECOG 2), 80-90(ECOG 1), 100(ECOG 0)] performed better [hit rate 78.1%, κw = 0.749(0.736-0.762) P < 0.0001] than those suggested in the past literature.CONCLUSION The current study provides the largest set of paired KPS-ECOG assessments to date. We suggest that the KPS categories 10-40, 50-60, 70, 80-90, and 100 are equivalent to ECOG PS categories of 4, 3, 2, 1, and 0 respectively. | Kuruswamy Thurai Prasad Harpreet Kaur Valliappan Muthu Ashutosh Nath Aggarwal Digambar Behera Navneet Singh | 2018 | World Journal of Clinical Oncology2018，9，7： | 2 |
| 2 | A new under- standing of raindrop shape显示文摘 | Beard K V Bringi V N Thurai M A | 2010 | Atmos Res2010，97，： | 1 |
| 3 | Orientation angle distributions of drops after an 80-m fall using a 2D video disdrometer显示文摘 | Huang G J Bringi V N Thurai M | 2008 | Journal of Atmospheric and Oceanic Technology2008，25，9： | 1 |
| 4 | A new understanding of raindrop shape显示文摘 | Beard K V Bringi V N Thurai M | | 0，，04： | 1 |
| 5 | Orientation an- gle distributions of drops after an 80-m fall using a 2D video disdrometer 显示文摘 | Huang G J Bringi V N Thurai M | 2008 | Journal of Atmospheric and Oceanic Technology2008，25，9： | 1 |
| 6 | Specific attenuation and depolarisation in rain from 2-dimensional video disdrometer data显示文摘 | Thurai M Bringi V N Rocha A | | 0，，02： | 1 |
| 7 | Drop shapes, model com- parisions, and calculations of polarimetric Radar parameters in rain显示文摘 | Thurai M Huang G J Bringi V N | 2007 | J Atmos Oceanic Technol2007，24，： | 1 |
| 8 | Drop axis ratios from 2D video disdrometer显示文摘 | Thurai M V N Bringi | 2005 | J Atmos Oceanic Technol2005，22，： | 1 |
| 9 | Drop shapes, model comparisons, and calculations of polarimetric radar parameters in rain显示文摘 | Thurai M Huang GJ Bringi V N | 2007 | Journal of Atmospheric and Oceanic Technology2007，24，6： | 1 |
| 10 | A new understanding of rain?drop shape显示文摘 | Beard K V Bringi V N Thurai M | 2010 | Atmospheric Research2010，97，： | 1 |
| 11 | Drop shapes and axis ratio distributions: Comparison between 2D video disdrometer and wind-tunnel measurements显示文摘 | Thurai M Szakall M Bringi V N | 2009 | Journal of Atmospheric and Oce?anic Technology2009，26，7： | 1 |
| 12 | Estimation of spatial correlation of drop size distribution parameters and rain rate using NASA's S-Band polarimetric radar and 2D Video disdrometer network: two case studies from MC3E显示文摘 | Bringi V N Tolstoy L Thurai M | 2015 | J Hydrol2015，16，6： | 1 |
| 13 | Increased nitrotyrosine staining in kidneys from patients with diabetic nephropathy 显示文摘 | Thurais RC Nott CA Dodd SM | 2000 | Kidney Int2000，26，57： | 1 |
| 14 | A new understanding of raindrop shape 显示文摘 | BEARD K V BRINGI V N THURAI M | 2010 | Atmospheric Research2010，97，4： | 1 |
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