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Table 2 Description of indices for knowledge, attitudes, referrals and concerns derived from a survey about referral patterns, knowledge and attitudes towards bariatric surgery and concerns about postoperative complications

From: Primary care physicians’ knowledge, attitudes and concerns about bariatric surgery and the association with referral patterns: a Swedish survey study

Index Numbers (N) Mean value* Median** Min Max Standard deviation
Knowledge1 157 11.5 12 0 20.5 3.72
Attitudes2 1563 9.6 10 4 13 1.39
Referrals4 157 12.2 12 4 19 2.44
Concerns2 1556 16.4 16 6 25 4.22
  1. ** The value separating the higher half from the lower half of the data sample
  2. 1Item 23–41, item 41 gives maximum 3 points
  3. 2Item 47, 51 and 53 reverse
  4. 3Missing = 1
  5. 4Item 7, 8, 10 and 9 reverse
  6. 5Item 42–46
  7. 6Missing = 2
  8. *The sum of the values divided by the number of values.