Table 1

 Demographic and baseline characteristics of adults with recurrent streptococcal pharyngitis according to allocation to waiting list (control) or immediate tonsillectomy. Figures are numbers (percentages) unless otherwise indicated

CharacteristicControl (n=34)Tonsillectomy (n=36)
Mean (SD) age (years)27 (8)25 (7)
Female 20 (59)26 (72)
Tobacco use:
 By patient11 (33)15 (43)
 Someone else in the family9 (27)14 (40)
History of allergy7 (21)9 (25)
Risk factors for pharyngitis:
 More than four people in family11 (32)12 (33)
 Similar infections in family5 (15)4 (11)
 Untreated caries4 (12)6 (17)
 Symptoms of gingivitis5 (15)5 (14)
 Use of same toothbrush >3 months11 (32)11 (31)
Mean (SD) No of previous episodes of acute pharyngitis*:
 During past 6 months3.3 (1.5)3.5 (1.3)
 During past 12 months4.8 (2.1)5.1 (1.9)
Frequent throat pain 20 (59)23 (64)
Complications of pharyngitis:
 Joint symptoms3 (9)3 (8)
 Rheumatic fever0 (0)0 (0)
Tonsils at baseline according to clinical assessment:
 Merely large4 (13)3 (11)
 Chronically infected4 (13)4 (14)
 Scarred22 (73)21 (75)
Carrier of group A streptococcus2 (6)1 (3)

*Exudative throat infection diagnosed by physician; according to inclusion criteria at least one episode had to be group A streptococcal infection proved by culture or rapid antigen test.