Skip to main content

Table 2 General characteristics of the study population and a comparison with the NTSRS cohort for 2019

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

Study population (n = 1991)

NTSRS 2019a (n = 9712)

Age, years

 Mean (SD)

11.7 (12.5)

13.6 (12.5)

 Median (Min-max)

6 (0.9; 81.1)

7.5 (1; 83)

Sex, n (%)

 Male

1082 (54.3%)

4858 (50.0%)

 Female

909 (45.7%)

4854 (50.0%)

Level of care, n (%)

 Outpatient

1507 (78.9%)

7659 (81.4%)

 Inpatient

403 (21.1%)

1746 (18.6%)

Main indication, n (%)

 Snoring/upper airway obstruction/tonsil hypertrophy

1437 (72.2%)

6004 (61.8%)

 Recurrent tonsillitis

272 (13.7%)

1633 (16.8%)

 Peritonsillitis

99 (5.0%)

474 (4.9%)

 Chronic tonsillitis

136 (6.8%)

1397 (14.4%)

 Systemic complication to tonsillitis

3 (0.2%)

9 (0.1%)

 Other indication

44 (2.2%)

195 (2.0%)

Type of surgery, n (%)

 Tonsillectomy

639 (32.1%)

3835 (39.5%)

 Tonsillectomy with adenoidectomy

266 (13.4%)

1353 (13.9%)

 Tonsillotomy

120 (6.0%)

444 (4.6%)

 Tonsillotomy with adenoidectomy

966 (48.5%)

4080 (42.0%)

  1. aPatients in the study population who underwent surgery in 2019 (n = 1514) were subtracted from the cohort in this table