Table 3 Comparison of biochemical markers between the study groups at 7th day, 30th day and 45th day after birth of preterm infants
Variable | Continuous infusion group (n = 40) | Bolus infusion group (n = 38) | P-value†|
|---|---|---|---|
Serum calcium (mg/dl) | Â | Â | Â |
7th day | 9.2 (1.0)a | 9.1 (0.8) | 0.638£ |
30th day | 9.0 (0.7) | 9.0 (0.6) | 0.888£ |
45th day | 8.97 (0.6) | 9.2 (0.6) | 0.064†|
Serum phosphorus (mg/dl) | Â | Â | Â |
7th day | 5.3 (1.2) | 5.3 (1.1) | 0.973£ |
30th day | 4.2 (0.8) | 4.9 (0.8) | 0.000£ |
45th day | 4.5 (0.9) | 5.0 (0.7) | 0.227†|
Vitamin D (ng/ml) | Â | Â | Â |
7th day | 33.6 (15.3) | 16.1 (10.2) | 0.000£ |
30th day | 38.5 (20.4) | 18.0 (9.4) | 0.000£ |
45th day | 40.8 (19.6) | 21.4 (11.0) | 0.111†|
ALP (IU/L) | Â | Â | Â |
7th day | 529.9 (221.0) | 653.4 (198.3) | 0.011£ |
30th day | 803.7 (340.5) | 959.2 (343.9) | 0.048£ |
45th day | 753.2 (304.5) | 988.2 (341.3) | 0.031†|
PTH (IU/L) | Â | Â | Â |
7th day | 70.6 (58.6) | 75.5 (55.2) | 0.701£ |
30th day | 65.2 (67.3) | 76.2 (60.7) | 0.453£ |
45th day | 59.5 (57.5) | 73.7 (52.9) | 0.878†|