Effects of oral rehydration solution-based prophylactic sodium supplementation on clinical outcomes in pediatric pneumonia: A randomized controlled trial

Table 6 Differences in sodium and potassium levels (on discharge–on admission) in the intervention and control groups, n (%)

	Interventional (n = 70)	Control (n = 70)	P value
Differences in sodium and potassium levels (on discharge–on admission)
Difference of Na
Median (IQR)	0 (3.0)	-1.5 (3.2)	< 0.0011,a
Min-Max	-7:5	-12:9
Difference of K
Mean (SD)	0.1 (0.7)	-0.2 (0.8)	0.0132,a
Min-Max	-1.2:1.8	-2.2:1.7
Differences in sodium and potassium levels (on day 4–on admission)
Difference of Na
Median (IQR)	-0.5 (3.2)	-2.0 (5.0)	0.0331,a
Min-Max	-8:10	-12:12
Difference of K
Mean (SD)	0.1 (0.77)	-0.01 (0.78)	0.1182
Min-Max	-2.3:2.5	-1.7:2.3
Differences in sodium and potassium levels (on day 2–on admission)
Difference of Na
Median (IQR)	-1 (2)	-1 (4)	0.0861
Min-Max	-10:14	-11:5
Difference of K
Median (IQR)	0.05 (1)	0 (0.7)	0.4961
Min-Max	-1.4:2.2	-2:1.4

¹Mann-Whitney U test.

²Independent t test.

^aP values less than 0.05 were considered significant.

IQR: Interquartile range; K: Potassium; Min: Minimum; Max: Maximum; Na: Sodium.