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. 2007 Sep-Oct;14(5):651–661. doi: 10.1197/jamia.M2215

Table 2.

Table 2 The Comparison of CCPY and CC for Important Article Ranking

Category # of Important Article 1 (Total # of articles retrieved 2 ) Average Ranking 3 Improvement Rate (%) 6 Example 7
CC 4 CCPY 5 PMID CC Rank CCPY Rank Year Published
Breast Cancer 65 (77784) 4976.5 3069.844 38.3132 11157042 1655 381 2001
11230499 1847 432 2001
Colorectal Cancer 39 (53686) 6938.838 4857.378 29.99723 11006366 49 10 2000
11309435 1829 515 2001
Endocrine Cancer 72 (46981) 4402.014 3389.435 23.00264 10973383 1182 261 2000
10458257 771 210 1999
Esophageal Cancer 34 (16359) 995.4688 641.2188 35.58625 10080844 3 0 1999
11547741 41 9 2001
Gastric Cancer 47 (33938) 2178.298 1463.489 32.815 11547741 101 22 2001
10080844 19 5 1999
Hepatobiliary Cancer 68 (76616) 7338.657 4123.269 43.8144 10636102 308 49 2000
10973388 341 55 2001
Lung Cancer 42 (74189) 3413.585 2595.488 23.96593 10694600 1979 587 2000
9187198 10 3 1997
Melanoma 46 (33074) 2968.891 1761.13 40.68054 11504745 63 8 2001
11504744 133 26 2001
Pancreas Cancer 61 (25241) 2061.633 1131.933 45.09531 11297271 1099 238 2001
11258776 1329 290 2001
Soft Tissue Sarcomas 22 (3193) 205.7619 110 46.54015 11230464 117 16 2001
11230466 296 61 2001

1 The number of important articles in each type of cancers defined by SSO_AB;

2 The number of articles retrieved from MEDLINE;

3 Please refer to equation (1) for Average Ranking calculation;

4 CC: Citation Count;

5 CCPY: Citation Count per Year;

6 Please refer to equation (2) for Improvement Rate calculation;

7 For each type of cancer, two articles (PMIDs were listed) with largest improvement rate are identified.