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. 2014 Nov 13;2014:780626. doi: 10.1155/2014/780626

Table 5.

Infant outcomes for newborns in Maine, 2000–2010.

Variable N Grand mean 95% CI P trend Slope
Plural births (%) 12561 1.5 1.3 1.7 0.60
Gestational age <37 wks (%) 12556 8.1 7.6 8.5 0.37
Infant admitted to ICU (%) 12479 9.3 8.8 9.8 0.05