TABLE 2

Transcutaneous and Serum Bilirubin Levels Associated With Bili-Ruler Scores (Average of 2 Scores)

Bili-ruler ScoreaNoseFoot
TcB (N = 759)TSB (N = 264)TcB (N = 726)TSB (N = 265)
nmg/dL (SD)nmg/dL (SD)nmg/dL (SD)nmg/dL (SD)
1162.4 (2.6)31.4 (0.6)5097.2 (3.9)1609.0 (4.6)
1.5514.4 (2.7)52.5 (0.9)979.5 (4.0)2714.5 (3.6)
22275.5 (2.8)405.4 (2.7)10912.4 (4.2)5916.7 (3.8)
2.51437.6 (2.7)218.0 (4.1)38.6 (6.5)318.0 (2.3)
31238.8 (3.2)4410.0 (3.9)615.0 (2.7)1220.9 (4.7)
3.55811.3 (3.1)1813.8 (3.2)0133.3
46613.0 (3.1)5113.7 (3.4)118.5123.0
4.52613.8 (2.6)2315.7 (4.1)00
53115.3 (3.1)3216.6 (4.2)0130.0
5.5916.3 (2.3)1218.8 (5.3)124.8132.3
6917.7 (2.8)1521.6 (6.1)00
  • —, not applicable.

  • a The Bili-ruler has 6 possible discrete scores, ranging from 1 to 6 (see Fig 1); the scores presented in this table are the average of 2 independent readings, thus allowing for half scores.