TABLE 2

Distribution of Mean TSB Levels in Relation to G6PD Status and Postnatal Age

TimeTSB (mg/dL)Pa
G6PD Deficient (n = 129)G6PD Intermediate (n = 69)G6PD Normal (n = 446)
Mean (SD)RangeMean (SD)RangeMean (SD)Range
0 h (mg/dL)3.7 (1.1)b1.7–6.72.9 (0.8)c1.1–4.92.5 (0.8)1.0–7.5<.001
24 h (mg/dL)6.8 (2.0)b2.4–14.74.9 (1.8)c1.3–10.23.9 (1.7)1.0–12.5<.001
48 h (mg/dL)9.8 (2.9)b2.6–19.47.1 (2.7)c2.2–14.35.3 (2.6)1.0–16.4<.001
Day 4 (mg/dL)12.6 (3.7)b3.8–26.49.7 (3.7)c2.6–25.06.7 (3.0)1.1–15.6<.001
Day 8 (mg/dL)8.4 (2.5)b1.3–18.06.7 (2.5)c1.4–11.14.2 (2.4)1.0–17.9<.001
Peak TSB (mg/dL)14.1 (9.5)b3.8–26.410.2 (3.8)c2.6–25.06.9 (3.4)1.2–17.9<.001
Age at peak (d)3.9 (1.2)1.0–8.03.9 (1.1)1.0–8.03.9 (0.9)1.0–8.0.48
Rate of rise (mg/dL/h)0.09 (0.04)b0.02- 0.240.07 (0.03)c0.00–0.220.04 (0.03)0.01–0.14<.001
  • a Analysis of variance.

  • b Value for G6DP-deficient infants significantly different from that of G6DP intermediate infants (P < .001).

  • c Value for G6DP-intermediate infants significantly different from that of G6DP normal infants (P < .001).