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Table 1 Socio-economic and clinical data variables description of oral cancer survivors and controls

From: Oral and general health-related quality of life in patients treated for oral cancer compared to control group

Variable Patients Controls p
n (%) n (%)
All 142 (100) 142 (100)  
Sex    1.000a
Male 91 (64.1) 91 (64.1)  
Age (years)    
<50 18 (12.7) 18 (12.7)  
50-65 54 (38.0) 54 (38.0)  
>65 70 (49.3) 70 (49.3)  
range 29-90 26-93  
mean ± sd 65.2 ± 12.9 67.5 ± 13.7 0.151b
Social Classd    0.790c
I 8 (5.6) 8 (5.6)  
II 8 (5.6) 9 (6.3)  
III 14 (9.9) 8 (5.6)  
IV 35 (24.6) 45 (31.7)  
V 77 (54.2) 72 (50.7)  
Functional tooth units    
Anterior (mean ± sd) 2.4 ± 2.7 3.0 ± 2.7 0.072b
Posterior (mean ± sd) 2.4 ± 3.6 3.9 ± 4.5 0.004b
Presence of diseasese    0.886c
No 29 (20.4) 30 (21.1)  
1 57 (40.1) 53 (37.3)  
2 ó more 56 (39.5) 59 (41.6)  
Tumor site    
Tongue 50 (35.2)   
Buccal mucosa 18 (12.7)   
Mouth floor 16 (11.3)   
Gingiva 16 (11.3)   
Oropharynx 16 (11.3)   
Others 26 (18.3)   
Cancer stage    
I 61 (43.0)   
II 25 (17.6)   
III 17 (12.0)   
IV 39 (27.5)   
Follow-up (years)    
0.5-5 92 (64.8)   
6-10 33 (23.2)   
11-20 17 (12.0)   
Mean ± sd 4.9 ± 4.3   
Treatment    
Sf 74 (52.1)   
S + RTg 43 (30.3)   
S + RT + CHh 25 (17.6)   
  1. achi-square test with Yates continuity correction; bStudent’s t test; cMann–Whitney test; dIn descending order; eChronic diseases; fS: surgery; gRT: radiotherapy; hCH: chemotherapy.