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Table 2 Correlation between the patients' disease history data, the presence of sclerotic signs in tonsils and PCR data on Streptococcus pyogenes.

From: Selection of indicators for tonsillectomy in adults with recurrent tonsillitis

  Signs of sclerotic process  
History data Tonsillar sclerosis Obstruction of crypts All three signs PCR for S. pyogenes
Frequency of tonsillitis episodes NS Rp = 0.354
P = 0.005
Rp = 0.299
P = 0.018
NS
Morbidity period Rp = 0.437
P = 0.001
NS Rp = 0.318
P = 0.011
Rp = 0.503
P = 0.012
Index of tonsillitis Rp = 0.384
P = 0.002
NS Rp = 0.325
P = 0.01
NS
  1. Rp – Pearson correlation coefficient. NS – statistically nonsignificant correlation