Table 3 The distribution of the SNOT-22 items over the four time points and the results of Wilcoxon sign rank test that shows the difference between the median of the SNOT-22 items preoperative and 6 months post ESS
From: Pattern of symptom improvement following endoscopic sinus surgery for chronic rhinosinusitis
Items | Preoperative | 1st week post ESS | 1st month post ESS | 6th months post ESS | Wilcoxon sign rank | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mdn | M | SD | Mdn | M | SD | Mdn | M | SD | Mdn | M | SD | Z | p | |
Need to blow nose | 3.00 | 2.91 | 0.94 | 3.00 | 2.81 | 1.14 | 2.00 | 2.06 | 0.91 | 1.50 | 1.91 | 1.65 | − 3.93 | < 0.001 |
Nasal blockage | 4.00 | 3.08 | 0.94 | 2.00 | 2.04 | 1.02 | 2.00 | 2.03 | 0.77 | 1.00 | 1.53 | 1.065 | − 6.44 | < 0.001 |
Sneezing | 3.00 | 2.84 | 0.70 | 2.00 | 2.00 | 0.93 | 2.00 | 1.99 | 0.82 | 0.00 | 1.19 | 1.65 | − 5.88 | < 0.001 |
Runny nose | 3.00 | 2.87 | 0.86 | 1.00 | 1.19 | 1.08 | 1.50 | 1.57 | 0.83 | 0.00 | 1.06 | 1.43 | − 6.21 | < 0.001 |
Cough | 2.00 | 2.00 | 0.86 | 1.00 | 1.03 | 0.67 | 1.00 | 1.00 | 0.62 | 1.00 | 1.03 | 1.16 | − 4.86 | < 0.001 |
Post-nasal discharge | 2.00 | 2.10 | 0.88 | 3.00 | 2.93 | 0.92 | 2.00 | 2.00 | 0.69 | 2.00 | 2.10 | 2.10 | − 0.27 | 0.770 |
Thick discharge | 3.00 | 2.88 | 0.94 | 2.00 | 2.06 | 1.06 | 0.50 | 0.69 | 0.90 | 1.00 | 1.70 | 1.78 | − 0.450 | < 0.001 |
Ear fullness | 2.00 | 2.01 | 0.89 | 1.00 | 1.22 | 1.08 | 1.00 | 1.44 | 1.63 | 0.00 | 1.07 | 1.54 | − 4.18 | < 0.001 |
Dizziness | 1.00 | 1.12 | 0.87 | 0.50 | 0.75 | 0.94 | 0.00 | 0.81 | 1.52 | 0.00 | 0.72 | 1.39 | − 3.22 | 0.001 |
Ear pain | 1.50 | 1.56 | 0.57 | 0.00 | 0.38 | 1.08 | 0.00 | 0.88 | 1.45 | 0.00 | 0.82 | 1.30 | − 4.09 | < 0.001 |
Facial pain/pressure | 0.00 | 0.99 | 1.61 | 1.50 | 1.56 | 0.90 | 1.00 | 1.26 | 1.14 | 1.00 | 1.5 | 1.83 | − 2.89 | 0.003 |
Decreased sense of smell/taste | 3.50 | 3.35 | 1.09 | 2.50 | 2.37 | 1.19 | 2.00 | 2.13 | 1.89 | 1.00 | 1.74 | 1.87 | − 5.17 | < 0.001 |
Difficulty falling asleep | 2.50 | 2.40 | 0.79 | 0.50 | 0.75 | 0.96 | 1.00 | 1.31 | 1.62 | 0.00 | 0.79 | 1.25 | − 6.18 | < 0.001 |
Wake up at night | 1.50 | 1.59 | 1.01 | 1.00 | 1.06 | 0.77 | 0.50 | 1.13 | 1.45 | 0.00 | 0.59 | 1.01 | − 3.26 | 0.001 |
Lack of a good night’s sleep | 2.00 | 2.03 | 0.93 | 0.50 | 0.69 | 0.86 | 1.00 | 1.50 | 1.7 | 0.00 | 0.74 | 1.30 | − 5.57 | < 0.001 |
Wake up tired | 0.50 | 0.74 | 0.91 | 0.50 | 0.72 | 0.93 | 0.50 | 1.31 | 1.66 | 0.00 | 0.69 | 1.18 | 1.14 | 0.260 |
Fatigue | 0.50 | 0.86 | 1.10 | 0.50 | 0.74 | 0.93 | 0.00 | 1.06 | 1.57 | 0.00 | 0.81 | 1.31 | − 1.31 | 0.190 |
Reduced productivity | 0.50 | 0.68 | 0.81 | 0.50 | 0.72 | 0.92 | 0.00 | 1.00 | 1.55 | 0.00 | 0.54 | 1.07 | − 1.70 | 0.089 |
Reduced concentration | 0.00 | 0.62 | 1.06 | 1.00 | 1.15 | 0.85 | 0.50 | 0.72 | 0.93 | 0.50 | 1.19 | 1.52 | − 3.49 | 0.004 |
Frustrated/restless/irritable | 1.00 | 1.18 | 0.95 | 0.5 | 0.74 | 0.93 | 0.50 | 1.31 | 1.66 | 0.00 | 0.53 | 1.24 | − 4.20 | < 0.001 |
Sad | 0.00 | 0.46 | 1.21 | 0.00 | 0.34 | 1.08 | 0.00 | 0.12 | 0.56 | 0.00 | 0.88 | 1.5 | 1.12 | 0.305 |
Embarrassed | 0.00 | 0.34 | 1.13 | 0.00 | 0.12 | 0.56 | 0.00 | 1.00 | 1.51 | 0.00 | 0.59 | 1.24 | 1.82 | 0.074 |