Table 3

Linear mixed-effects model analysis of the effects of time, group (standard care or nebulised hypertonic saline) and their interactions on the square root of Wang Score 

Coefficient (SE)P values
Constant2.69 (0.05)<0.001
Time
 At inclusionRef
 At 24 hours−0.73 (0.09)<0.01
 At 36 hours−0.80 (0.09)<0.01
 At 48 hours−0.68 (0.10)<0.01
Group
 Standard careRef
 HS−0.01 (0.08)0.94
Time*group
 HS-24 hours0.24 (0.12)0.046
 HS-36 hours0.26 (0.12)0.037
 HS-48 Hours0.02 (0.14)0.877
  • HS, hypertonic saline.