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Table 3 Bibliometrics on article types

From: Using Kano diagrams to display the most cited article types, affiliated countries, authors and MeSH terms on spinal surgery in recent 12 years

No. Article type h Ci k x
1 Comparative Study 33 5.09 875 66.74
2 Case Reports 19 2.19 944 45.50
3 Journal Article 12 2.00 1034 45.43
4 Clinical Trial 18 6.44 131 29.04
5 Review 17 2.94 263 27.79
6 Systematic Review 13 2.84 230 25.57
7 Evaluation Studies 13 4.36 130 23.80
8 Randomized Controlled Trial 9 2.42 169 20.23
9 Multicenter Study 7 1.08 226 15.59
10 Validation Studies 7 1.88 120 15.03