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Table 4 NOSE Score for each grade of the OVCS

From: Reliability and construct validity of the Ottawa valve collapse scale when assessing external nasal valve collapse

OVCS Grade n Mean SD Median
0 30 12.1 4.4 12
1 24 14 3 14
2 34 14.6 4.1 14
3 8 18.2 2.1 19
  1. p = 0.012