Table 5

 Comparison of development between the donor breast milk and formula groups

Outcome and studiesSole diet comparisonSupplementary diet comparison
Donor breast milkFormulaRR (95% CI)p valueDonor breast milkFormulaRR (95% CI)p value
No.n (%)No.n (%)No.n (%)No.n (%)
Neurological status impaired at 9 months
    Lucas et al17664 (6.1%)569 (16.1%)0.38 (0.12 to 1.16)p = 0.07414015 (10.7%)13815 (10.9%)0.99 (0.50 to 1.94)p = 0.97
Neurological status impaired at 18 months
    Lucas et al17664 (6.1%)567 (12.5%)0.48 (0.15 to 1.57)p = 0.2214011 (7.9%)13810 (7.2%)1.08 (0.48 to 2.47)p = 0.85
NMeanSDNMeanSDMDNMeanSDNMeanSDMD
MD, mean difference; No., total, n, number of cases.
RR<1 favours donor breast milk; MD<0 favours donor breast milk.
Development quotient at 9 months (Knobloch)
    Lucas et al176297.28.54898.211.0−1.0 (−4.7 to 2.7)p = 0.5913398.210.1126101.210.5−3.0 (−5.52 to −0.48)p = 0.020
Mental developmental index at 18 months (Bayley)
    Lucas et al196294.816.55295.319.5−0.5 (−7.1 to 6.2)p = 0.88134102.219.7139103.820.0−1.6 (−6.33 to 3.13)p = 0.51
Psychomotor developmental index at 18 months (Bayley)
    Lucas et al196293.014.25294.215.9−1.2 (−6.8 to 4.4)p = 0.6713495.515.013994.516.51.0 (−2.76 to 4.76)p = 0.60