The effect of hat on phototherapy-induced hypocalcemia in jaundiced full-term neonates

Figures & data

Figure 1 Design of the hat.

Figure 2 CONSORT flow diagram.

Abbreviation: CONSORT, CONsolidated Standards Of Reporting Trials.

Table 1 Comparison of clinical and laboratory parameters between the study groups

Variable	Without hat, mean ± SD (N=62)	With hat, mean ± SD (N=62)	P-value
Body weight (g)	3,188±336	3,260±298	0.211
Gestational age (weeks)	39.24±0.78	39.34±0.72	0.476
Female infants (%)	33 (53.2%)	23 (37.1%)	0.071
Male infants (%)	29 (46.8%)	39 (62.9%)	0.001
Day of onset of jaundice (days)	2.56±0.56	2.77±0.78	0.088
Mean age on admission (days)	3.98±0.84	4.18±0.82	0.197
Mean total bilirubin on admission (mg/dL)	17.655±1	17.629±0.99	0.886
Mean total bilirubin after 48 hours (mg/dL)	10.503±0.88	10.324±1.07	0.309
Mean Ca on admission (mg/dL)	8.68±0.63	8.69±0.54	0.924
Mean Ca after 48 hours (mg/dL)	8.51±0.24	8.74±0.95	0.067

Abbreviation: SD, standard deviation.

Table 2 Changes in Ca levels in the two groups on admission and 48 hours after phototherapy

Variable	Mean Ca on admission (mg/dL)	Mean Ca after 48 hours (mg/dL)	Mean difference (mg/dL)	P-value
Without hat, mean ± SD	8.68±0.63	8.51±0.24	0.170	0.049
With hat, mean ± SD	8.69±0.54	8.74±0.95	−0.052	0.719

Abbreviation: SD, standard deviation.

Table 3 Comparison between the number of neonates who developed hypocalcemia and jitteriness

Variable	Without hat, N=62	With hat, N=62	P-value
Hypocalcemia	15 (24.2%)	6 (9.7%)	0.031
Normal Ca level	47 (75.8%)	56 (90.3%)
Jitteriness	12 (19.4%)	6 (9.7%)	0.12
No jitteriness	50 (80.6%)	56 (90.3%)