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Table 5 Comparison of responders and non-responders to the 30-day NTSRS PROM questionnaire. Data from medical records only. No adjustments were made for multiple comparisons

From: A validation study of data in the National Tonsil Surgery Register in Sweden: high agreement with medical records ensures that data can be used to monitor clinical practices and outcomes

Variable

Responders (n = 1037)

Non-responders (n = 954)

p-value

Sex, n (%)

 Male

529 (51.0%)

553 (58.0%)

 

 Female,

508 (49.0%)

401 (42.0%)

0.0022

Age at surgery, years

 Mean (SD)

11.5 (12.7)

10.9 (12.2)

0.27

 Median (min-max)

6 (0–79)

6 (0–81)

 

Indication, n (%)

  

0.48

 Snoring

730 (70.4%)

702 (73.6%)

 

 Recurrent tonsillitis

149 (14.4%)

124 (13.0%)

 

 Chronic tonsillitis

81 (7.8%)

57 (6.0%)

 

 Peritonsillitis

48 (4.6%)

49 (5.1%)

 

 Systemic complications to tonsillitis

4 (0.4%)

3 (0.3%

 

 Other indication

25 (2.4%)

19 (2.0%)

 

Level of care, n (%)

  

0.60

 Outpatient surgery

792 (76.4%)

738 (77.4%)

 

 Inpatient surgery

245 (23.6%)

216 (22.6%)

 

Type of surgery, n (%)

  

0.19

 Tonsillectomy

343 (33.1%)

293 (30.7%)

 

 Tonsillectomy with adenoidectomy

153 (14.8%)

119 (12.5%)

 

 Tonsillotomy

50 (4.8%)

50 (5.2%)

 

 Tonsillotomy with adenoidectomy

491 (47.3%)

492 (51.6%)

 

Complications, n (%)

 Contact due to bleeding

55 (5.3%)

46 (4.8%)

0.70

 Admission due to bleeding

38 (3.7%)

35 (3.7%)

1.00

 Reoperation due to bleeding

9 (0.9%)

1 (0.1%)

0.030

 Contact due to pain

94 (9.1%)

104 (10.9%)

0.19