Colic occurs in 11.4% of low birth weight infants. The usual onset is within two weeks of the expected birth date, regardless of gestational age at birth. Birth order does not play a role in the distribution of colic. White low birth weight infants are more likely to develop colic than Negro low birth weight infants. Although colic may persist for several months, the infants are generally healthy and develop normally.
Meyer JE, Thaler MM. Colic in Low Birth Weight Infants. Am J Dis Child. 1971;122(1):25-27. doi:10.1001/archpedi.1971.02110010061008