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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: J Pediatr. 2021 Apr 7;235:92–99.e4. doi: 10.1016/j.jpeds.2021.04.002

Table VII (online only).

INR values measured within 24 hours before plasma transfusion, by gestational and postnatal age

Gestational and Postnatal Agea n 10th %tile 25th %tile 50th %tile 75th %tile 90th %tile Pb
All 895 1.2 1.5 1.7 2.1 2.8
<27 weeks 152 1.2 1.5 1.8 2.0 2.3 0.0002
 week 1 of life 77 1.5 1.7 1.9 2.2 2.4
 week 2 of life 39 1.3 1.6 1.8 1.9 2.2
 week 3 of life 5 1.2 1.5 1.6 1.8 3.7
 week 4 or more of life 31 1.1 1.2 1.4 1.7 2.2
27 to 28 weeks 81 1.5 1.6 2.0 2.4 3.4 0.03
 week 1 of life 52 1.5 1.6 1.9 2.3 2.6
 week 2 of life 11 1.6 2.1 2.5 3.8 6.6
 week 3 of life 3 1.5 1.5 2.3 2.6 2.6
 week 4 or more of life 15 1.2 1.2 1.6 2.6 3.5
29 to 32 weeks 106 1.4 1.6 1.8 2.2 2.9 0.62
 week 1 of life 56 1.5 1.6 1.9 2.2 2.8
 week 2 of life 9 1.2 1.4 1.8 1.9 12.1
 week 3 of life 6 1.4 1.5 1.8 3.0 4.0
 week 4 or more of life 35 1.2 1.5 1.8 2.2 2.9
33 to 36 weeks 115 1.3 1.5 1.8 2.1 3.4 0.04
 week 1 of life 79 1.4 1.5 1.8 2.3 3.8
 week 2 of life 18 1.2 1.4 1.6 1.9 2.4
 week 3 of life 7 1.2 1.2 1.3 2.0 2.1
 week 4 or more of life 11 0.9 0.9 1.9 2.3 2.4
37+ weeks 438 1.2 1.4 1.6 2.0 2.6 0.0006
 week 1 of life 241 1.3 1.5 1.7 2.1 2.7
 week 2 of life 84 1.2 1.3 1.5 1.8 2.1
 week 3 of life 37 1.2 1.3 1.5 1.9 2.6
 week 4 or more of life 76 1.1 1.4 1.6 2.0 3.2
a

Two values for preterm infants with unspecified gestational age not shown.

b

P values report tests for differences in median values by week of life using the Kruskal-Wallis test.