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Table 2 Quantifiable metrics of acute exacerbations in CRS

From: Definition and characteristics of acute exacerbation in adult patients with chronic rhinosinusitis: a systematic review

Author/year

Evaluation parameters of AE

Results

Conclusions

Level of evidence

Phillips, et al. (2017) [6]

Number of CRS-related antibiotics usage, sinus infections

SNOT-22 score is associated with the number of antibiotics; Antibiotic usage highly correlated with the number of reported sinus infections.

Sinusitis-related antibiotic usage, reflecting the frequency of acute CRS exacerbations, mediates the association between CRS symptomatology and QOL.

3a

Banoub, et al. (2018) [11]

Number of sinus infections, CRS-related antibiotics use, CRS-related oral corticosteroids use

The frequency of patient-reported sinus infections, CRS-related antibiotics courses and CRS-related oral corticosteroid courses was negatively associated with asthma control.

AE are negatively associated with the level of asthma control.

3a

Phillips, et al. (2019) [18]

Number of sinus infections, CRS-related antibiotics, CRS-related oral corticosteroids

AE positively associated with comorbid asthma, and SNOT-22.

A CRS exacerbation-prone phenotype characterized by high sinonasal disease burden with comorbid asthma.

3a

Sedaghat, et al. (2018) [19]

Number of sinus infections, CRS-related oral antibiotic, CRS-related oral corticosteroids

At least 1 course of antibiotics or oral corticosteroids in the last 3 months was the optimal threshold for detecting poorly controlled CRS.

Number of CRS-related antibiotic use, and CRS-related oral corticosteroid aid in the determination of global CRS control.

3a

Speth, et al. (2018) [20]

Number of sinus infections, CRS-related antibiotics, CRS-related steroid usage

SNOT-22 score ≥ 30 predicted at least 1 sinus infection, CRS-related antibiotics, or CRS-related oral corticosteroids in the past 3 months.

SNOT-22 score and AE were predictive of each other.

3a

Zemke, et al. (2019) [13]

SNOT-22 scores

SNOT-22 scores were 4.9 points higher during the AE

Changes of SNOT-22 indicate the AE.

3a

Diveka, et al. (2015) [14]

SNOT-22 scores

SNOT-22 scores were 10.75 higher during the AE

Changes of SNOT-22 indicate the AE.

3a

  1. CRS Chronic rhinosinusitis, AE Acute exacerbation, QOL Quality of life, SNOT-22 The 22-item Sino- Nasal Outcome Test