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Table 2 Child Behavior Checklist before and after surgery, TE resp. TT and compared with normal range

From: Tonsillotomy versus tonsillectomy on young children: 2 year post surgery follow-up

  TT TE P-value TT CBCL/normal rangea,c P-value TE CBCL/normal rangea,c P-value TE/TT CBCL
Before surgery n=35 n=32    
Internalizationb 5.8±4.6 4.2±3.6 <0.01 NS NS
Externalizationb 9.8±7.0 7.8±6.1 NS NS NS
Total problemsb 25.6±19.1 20.9±12.4 <0.001 <0.01 NS
Six months after surgery n=35 n=32    
Internalizationb 3.7±5.4 2.4±2.7 NS <0.05 NS
Externalizationb 7.6±6.7 6.3±4.5 <0.05 NS NS
Total problemsb 19.5±18.4 13.5±9.8 <0.05 NS NS
Two years after surgery n=32 n=32    
Internalizationb 3.1±3.9 2.9±5.8 NS <0.05 NS
Externalizationb 5.6±6.0 5.6±6.9 NS NS NS
Total problemsb 13.9±12.9 13.6±21.7 NS NS NS
  1. NS= not significant. aNormal range. Swedish population [18]bMean ± SD cMann-Whitney U-test. The children reoperated with tonsil surgery are excluded in the two year follow-up.
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