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Table 2 Crosstabulation oftype of journalandlevel of evidence

From: Level of evidence in hand surgery

Journal Level of evidence Total number of papers (n)
1 2 3 4 5
RICMA 0.0% 0.0% 16.7% 80.0% 3.3%  
(CI 95%) (N.A) (N.A) (7.3 ; 26.1) (69.9 ; 90.1) (N.A.)  
  0 0 10 48 2 60
JHSE 0.9% 5.0% 11.1% 82.4% 0.7%  
(CI 95%) (N.A.) (3.02 ; 6.9) (8.3 ; 13.9) (79 ; 85.8) (N.A.)  
  4 23 51 380 3 461
JHSA 8.3% 10% 14.1% 67.6% 0%  
(CI 95%) (5.6 ; 10.9) (7.1 ; 12.9) (10.7 ; 17.4) (63.1 ; 72.1) (N.A.)  
  34 41 58 278 0 411
  1. RICMA = IBero-american Journal of Hand Surgery, JHSE= Journal of Hand Surgery European Volume, JHSA= Journal of Hand Surgery American Volume. (CI 95%) = 95% Confidence Interval. (N.A.) = CI 95% is not applicable when the observed proportion is not greater than 5/n.