Nasal irrigation (mean+SE)
Nasal spray (mean+SE)
Mean difference (95%CI)
p-value
All anatomical areas 6.59+0.60 3.69+0.61 2.90 (1.22, 4.58) 0.001
OMU 1.80+0.17 1.41+0.17 0.39 (-0.09, 0.87) 0.12
Maxillary sinus 1.90+0.20 0.52+0.20 1.38 (0.83, 1.93) <0.001
Anterior ethmoid sinus 1.24+0.14 0.71+0.15 0.53 (0.13, 0.93) 0.009
Posterior ethmoid sinus 0.84+0.13 0.51+0.13 0.34 (-0.03, 0.70) 0.07
Sphenoid sinus 0.52+0.14 0.35+0.14 0.16 (-0.23, 0.55) 0.41
Frontal sinus 0.30+0.11 0.19+0.11 0.11 (-0.21, 0.42) 0.51