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Table 3 Distribution of Krouse stage per surgical approach

From: Surgical management of inverted papilloma; a single-center analysis of 247 patients with long follow-up

Krouse stage Endoscopic approach Combined approach External approach Total
  no. of patients (%) no. of patients (%) no. of patients (%) no. of patients (%)
T1 15 (19.0) 0 (0.0) 13 (8.4) 28 (11.3)
T2 39 (49.4) 2 (14.3) 75 (48.7) 116 (47.0)
T3 22 (27.8) 11 (78.6) 49 (31.8) 82 (33.2)
T4 3 (3.8) 1 (7.1) 17 (11.0) 21 (8.5)
Total 79 (100.0) 14 (100.0) 154 (100.0) 247 (100.0)