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Table 4 CI, DD, and incidence of PD in preterm infants with different CAs

From: Prevalence of positional skull deformities in 530 premature infants with a corrected age of up to 6 months: a multicenter study

GroupNPlagiocephalyBrachycephalyDolichocephalyDDCI
N%N%N%
CA < 0784253.8%5874.4%45.1%0.492 ± 0.3570.867 ± 0.073
0 ≤ CA ≤ 2 m21211353.3%17281.1%83.8%0.463 ± 0.347a0.937 ± 0.067a
3 ≤ CA ≤ 4 m1236149.6%11291.1%43.3%0.409 ± 0.310ab0.902 ± 0.066ab
5 ≤ CA ≤ 6 m1175547.0%10993.2%00%0.342 ± 0.280abc0.896 ± 0.057
  1. a: p < 0.05, compared with the CA < 0 m group; b: p < 0.05, compared with the 0 ≤ CA ≤ 2 m group; c: p < 0.05, compared with the 3 ≤ CA ≤ 4 m group
  2. CI, cranial index; DD, diagonal difference; CA, corrected age; N, number of cases; PD, positional deformity