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Table 4 Smoking ratio of parents between groups 1 and 2

From: The effect of adenoid hypertrophy on maxillofacial development: an objective photographic analysis

GROUP No smoking 1 Parent smoking 2 Parents smoking Total Chi-squared test value p value
1 number 50 18 22 90 10.564 0.005*
Within group % 55.6 % 20.0 % 24.4 % 100.0 %
2 number 32 23 42 97
Within group % 33.0 % 23.7 % 43.3 % 100.0 %
  1. In statistical analyses, the smoking ratio of parents in Group 2 was higher than in control Group 1 (p = 0.005)
  2. *: p value for the smoking ratio of parents in Group 2