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

Table 3 Matching between the intervention and control groups, n (%)

	Interventional (n = 70)	Control (n = 70)	P value
Age in months
Median (IQR)	5 (9.5)	4 (4.6)	0.1461
Min-Max	1.3-4.8	1-59
Modified shock index on admission
Median (IQR)	1.9 (0.3)	2.0 (0.3)	0.0511
Min-Max	1.4-2.4	1.5-2.4
Respiratory score on admission
Median (IQR)	8 (2)	8 (2)	0.9511
Min-Max	5-12	5-12
Sodium on admission (mmol/L)
Median (IQR)	136 (2)	137 (3)	0.0611
Min-Max	135-142	135-144
Potassium on admission (mmol/L)
Mean (SD)	4.6 (0.7)	4.9 (0.7)	0.0382,a
Min-Max	3.0-6.0	3.3-6.3
Weight Z score
Median (IQR)	-1.0 (2.16)	-1.2 (2.4)	0.1631
Min-Max	-3.0:2.0	-3.0:1.8
Height Z score
Mean (SD)	-1 (0.7)	-1.1 (0.9)	0.4942
Min-Max	-3.0:0.6	-3.0:0.8
BMI Z score
Median (IQR)	-0.7 (2.5)	-1.1 (2.7)	0.2581
Min-Max	-3.0:3.0	-3.0:2.0
NLR
Median (IQR)	1.0 (1.4)	1.0 (1.8)	0.1981
Min-Max	0.1-27.2	0.03-24
PNI
Median (IQR)	60.0 (20.6)	64.7 (24.0)	0.6941
Min-Max	45-126	27.5-248
PLR
Median (IQR)	84.4 (87.1)	74.8 (84.4)	0.4261
Min-Max	26.6-419	13.3-375.3

¹Mann-Whitney U test.

²Independent t test.

^aP values less than 0.05 were considered significant.

BMI: Body mass index; IQR: Interquartile range; Min: Minimum; Max: Maximum; NLR: Neutrophil-lymphocyte ratio; PLR: Platelet-to-lymphocyte ratio; PNI: Prognostic Nutritional Index.