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Table 1 Mean ridge count in the right hand of breast cancer patients & controls

From: Qualitative and quantitative dermatoglyphic traits in patients with breast cancer: a prospective clinical study

Digit Ridge count -cases Ridge count -controls
Thumb 16 18
Index 11 25
Middle 13 14
Ring 13 22
Little 9 13
  1. Mean ridge count in cases = 12.4, controls = 18.4
  2. Ridge count S.D. cases = 2.33, controls = 4.58
  3. The difference was found to be statistically significant (p < 0.05) t = 2.33 (CI -6.00)