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Table 4 Differentiation, pTNM, invasive front, status of surgical margin and recurrence vs. cause of death

From: Clinicopathological parameters, recurrence, locoregional and distant metastasis in 115 T1-T2 oral squamous cell carcinoma patients

  Cause of death   Fisher's
  Alive (%) Cardio-respiratory failure (%) Pneumonia (%) Regional met (%) Distant met (%) Total  
Differentiation        
Well 24 (28.9) 3 (60.0) 3 (50.0) 1 (10.0) 1 (9.1) 32  
Moderate 47 (56.6) 2 (40.0) 3 (50.0) 2 (20.0) 6 (54.5) 60  
Moderate-poorly 8 (9.6) 0 (0.0) 0 (0.0) 2 (20.0) 1 (9.1) 11  
Poorly 4 (4.8) 0 (0.0) 0 (0.0) 5 (50.0) 3 (27.3) 12 0.001
pTNM        
T1N0M0 53 (63.9) 2 (40.0) 2 (33.3) 0 (0.0) 1 (9.1) 58  
T2N0M0 20 (24.1) 1 (20.0) 2 (33.3) 0 (0.0) 0 (0.0) 23  
T1N1M0 4 (4.8) 0 (0.0) 0 (0.0) 1 (10.0) 1 (9.1) 6  
T2N1M0 2 (2.4) 1 (20.0) 1 (16.7) 2 (20.0) 0 (0.0) 6  
T1N2aM0 1 (1.2) 0 (0.0) 0 (0.0) 3 (30.0) 2 (18.2) 6  
T2N2aM0 0 (0.0) 1 (20.0) 1 (16.7) 2 (20.0) 5 (45.5) 9  
T1N2bM0 0 (0.0) 0 (0.0) 0 (0.0) 1 (10.0) 0 (0.0) 1  
T2N2bM0 1 (1.2) 0 (0.0) 0 (0.0) 1 (10.0) 1 (9.1) 3  
T1N2cM0 1 (1.2) 0 (0.0) 0 (0.0) 0 (0.0) 1 (9.1) 2  
T2N2cM0 1 (1.2) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 <0.001
IF, cohesive 64 (78.0) 5 (6.1) 5 (6.1) 5 (6.1) 3 (3.7) 82  
IF, non-cohesive 19 (57.6) 0 (0.0) 1 (3.0) 5 (15.2) 8 (24.2) 33 0.002
Dys. At Margin 33 (62.3) 1 (1.9) 2 (3.8) 8 (15.1) 9 (17.0) 53 0.005
Lymphvascular Invasion 13 (46.4) 1 (3.6) 2 (7.1) 6 (21.4) 6 (21.4) 28 0.002
Nerve Invasion 5 (41.7) 0 (0.0) 0 (0.0) 3 (25.0) 4 (33.3) 12 0.011
B/C Invasion 2 (40.0) 0 (0.0) 0 (0.0) 1 (20.0) 2 (40.0) 5 0.131
SD present 49 (68.1) 3 (4.2) 3 (4.2) 7 (9.7) 10 (13.9) 72 0.271
Tumour clearance 82 (76.6) 5 (4.7) 5 (4.7) 6 (5.6) 9 (8.4) 107 <0.001
Recurrence 19 (44.2) 2 (4.7) 1 (2.3) 10 (23.3) 11 (25.6) 43 <0.001
Total 83 5 6 10 11