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Table 3 Clinical efficacy of SF versus NF after period 1

From: The clinical effect of a new infant formula in term infants with constipation: a double-blind, randomized cross-over trial

  SF (n = 15) NF (n = 20) Difference of means (95% CI)* RR (95% CI)** P-value
Defecation frequency (mean ± SD) 4.9 ± 2.5 5.6 ± 2.8 0.7 (-0.8–2.3)   0.36
Improvement of hard to soft stools (n) 50% (5/10) 90% (9/10)   1.8 (0.9–3.5) 0.14
No painful defecation (n) 33% (5/15) 35% (7/20)   1.0 (0.4–2.7) 0.92
No abdominal or rectal mass (n) 93% (14/15) 90% (18/20)   1.0 (0.8–1.2) 0.73
  1. * ANCOVA; ** χ2 tests