Table 5 Comparing the RIs of electrolytes in newborns and infants with values for the same age group and for adults in previous studies, text books and kit inserts
From: Establishing reference intervals for electrolytes in newborns and infants using direct ISE analyzer
Na+(mmol/l) | K+(mmol/l) | Cl-(mmol/l) | |
|---|---|---|---|
Current study | Combined = 126-143 | Combined = 4.0-7.9 | Combined = 100-111 |
Perkins et al.[13] | venous cord blood = 135-143 | venous cord blood = 3.8-6.8 | venous cord blood = 102-112 |
Text books | Newborns = 133–146 [14] | Newborns = 4.5-7.2 [15] | <1 year = 96–111 [15] |
Children | Children = 3.5-5.8 [15] | 1-17 years = 102–112 [14] | |
and adults = 135–148 [14] | Adults = 3.5-5.5 [15] | Adults = 100–108 [14] | |
Kit inserts | 136-145 [16] | 3.5-5.1 [16] | 97-111 [16] |
Adult values | 141.4-152.5 [17] | 3.9-5.8 [17] | 100.5-111.7 [17] |