Table 2 Organizational features of Kaplan & Sadock21 textbook across editions
Edition | Year | Pages | Chapters | New Chapters | Removed chapters | Citations | Citations per chapter | Medline citations | % Persisting citations |
|---|---|---|---|---|---|---|---|---|---|
1st | 1967 | 1629 | 53 | 53 | N/A | 2927 | 55.2 | 585 | N/A |
2nd | 1975 | 2572 | 52 | 18 | 19 | 9126 | 175.5 | 2280 | 44% |
3rd | 1980 | 3306 | 57 | 9 | 4 | 17,030 | 298.8 | 4225 | 56% |
4th | 1985 | 2055 | 54 | 3 | 6 | 2091 | 38.7 | 407 | 5% |
5th | 1989 | 2158 | 50 | 10 | 14 | 3999 | 80.0 | 780 | 21% |
6th | 1995 | 2805 | 53 | 8 | 5 | 8625 | 162.7 | 2393 | 16% |
7th | 2000 | 3345 | 55 | 7 | 5 | 10,180 | 185.1 | 4257 | 23% |
8th | 2005 | 4064 | 55 | 2 | 2 | 11,795 | 214.5 | 3780 | 20% |
9th | 2009 | 4521 | 59 | 4 | 0 | 10,472 | 177.5 | 4815 | 25% |
10th | 2017 | 4533 | 62 | 5 | 2 | 9235 | 149.0 | 4157 | 26% |