Table 2
Results for the primary outcome
Treatment group
N = 96Control group
N = 89Difference in mean
(95% CI)p-value p-value* p-value** Mean total hours of crying (95% CI) Before treatment 5.7 (5.2–6.2) 5.3 (4.9–5.8) -0.6 (0.1–1.1) 0.026 0.054 0.066 After treatment 4.2 (3.8–4.7) 4.4 (3.8–4.9) Pre-post difference −1.5 (− 1.9 to − 1.2) −1.0 (− 1.3 to − 0.6) N Number of children; CI Confidence Interval; *: adjusted for baseline hours of crying; **: adjusted for baseline hours of crying, age and chiropractic clinic