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Copyright: ©Author(s) 2026.
World J Clin Pediatr. Sep 9, 2026; 15(3): 121288
Published online Sep 9, 2026. doi: 10.5409/wjcp.121288
Table 3 Incidence rate of respiratory tract infections and incidence rate ratios during follow-up, median (interquartile range)
Group
Children (n)
Child-weeks with ARTI (n)
Episodes per child
Observed child-weeks
Incidence rate (per 100 child-weeks)
Crude IRR (95%CI)
P value
Adjusted IRR (95%CI)1
P value
Control741321 (0-2)18427.17ReferenceReference
Intervention1491390 (0-0)36973.760.52 (0.31-0.88)0.0150.14 (0.09-0.22)< 0.001


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