TABLE 4

Estimated NNT With Inpatient Phototherapy (95% CI) for 3.3-kg Infants Who Were Not DAT Positive, by Gender, Gestational Age, and Age at Qualifying TSB

Gestational Age, wkNNTs (95% CI)
Age at Qualifying TSB: <24 hAge at Qualifying TSB: 24 to <48 hAge at Qualifying TSB: 48 to <72 hAge at Qualifying TSB: ≥72 h
Boys
    3514 (7–40)26 (14–57)83 (36–190)171 (70–426)
    3610 (6–19)19 (12–39)59 (31–101)122 (68–236)
    3716 (10–28)29 (20–58)95 (52–168)196 (100–407)
    3835 (14–100)67 (31–215)222 (107–502)460 (196–1352)
    3974 (31–244)142 (62–554)476 (197–1385)989 (373–3607)
    40106 (44–256)204 (98–487)682 (367–1294)1419 (634–3755)
    ≥41148 (54–428)284 (127–780)953 (366–3017)1983 (676–8408)
Girls
    3521 (12–49)40 (21–86)126 (50–267)261 (105–585)
    3615 (11–26)28 (20–51)90 (43–146)186 (102–347)
    3723 (16–39)44 (31–75)145 (73–243)300 (146–671)
    3853 (23–134)102 (43–236)339 (154–730)705 (314–2016)
    39113 (58–342)217 (103–713)729 (272–1730)1516 (614–4520)
    40162 (75–400)312 (164–704)1046 (491–2136)2176 (922–6107)
    ≥41226 (92–702)435 (183–1140)1461 (510–4842)3041 (888–11096)
  • The NNT is estimated as the reciprocal of the difference between predicted probabilities of the outcome in those who did and did not receive hospital phototherapy within 8 hours of their qualifying TSB level.