TABLE 2

Comparison of Spo2 Values at 1 to 10 Minutes After Birth for Preterm and Term Births

Time After BirthSpo2, Median (IQR), %P
Preterm InfantsTerm InfantsAll Infants
1 min62 (47–72)68 (60–77)66 (55–75)<.001
2 min68 (58–78)76 (65–84)73 (63–82)<.001
3 min76 (67–83)81 (71–90)78 (69–88)<.001
4 min81 (72–88)88 (78–94)85 (76–93)<.001
5 min86 (80–92)92 (83–96)89 (82–95)<.001
6 min90 (81–95)94 (86–97)92 (85–96)<.001
7 min92 (85–95)95 (90–97)94 (88–97)<.001
8 min92 (87–96)96 (92–98)95 (90–98)<.001
9 min93 (87–96)97 (94–98)95 (92–98)<.001
10 min94 (91–97)97 (94–98)96 (92–98)<.001
  • Preterm infants were born at <37 weeks and term infants at ≥37 weeks.