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Table 1 Sociodemographic and clinical characteristics of participants and non-participants

From: Mental adjustment to cancer and its relation to anxiety, depression, HRQL and survival in patients with laryngeal cancer - A longitudinal study

  Participants (n = 100) Non-participants (n = 110) p-value
Age, mean years (SD) 67 (11.4) 69 (10.11) ns
Sex    ns
Female 17 (17%) 22 (20%)  
Male 83 (83%) 88 (80%)  
Tumour site    
Glottic 72 (72%) 61 (55%) 0.0188
Supraglottic 20 (20%) 37 (34%) 0.0382
Subglottic 4 (4%) 3 (3%) ns
Transglottic 4 (4%) 9 (8%) ns
Stage    
0 3 (3%) 2 (2%)  
I 57 (57%) 43 (39%)  
II 22 (22%) 24 (22%)  
III 9 (9%) 17 (15%)  
IV 9 (9%) 24 (22%) 0.001
Karnofsky performance scale    
100 60 (63%) 34 (33%)  
90 23 (24%) 33 (31%)  
80 8 (8%) 20 (19%)  
70 3 (3%) 12 (11%)  
60 0 (0%) 1 (1%)  
50 1 (1%) 1 (1%)  
40 0 (0%) 4 (4%) >0.001
Married/Cohabitant 70 (70%) 62 (56%) ns
Smokers 50 (50%) 70 (64%) ns
Loss of weight 21 (21%) 35 (32%) ns
Residual disease 2 (2%) 2 (2%) ns
Cardiovascular disease 45 (45%) 38 (35%) ns
Other malignancy 8 (8%) 11 (10%) ns
  1. p-value significant at ≤0.05, ns = not significant.
  2. Participants were classified as N0M0, except one patient classified as N2M0 and two classified as N2M1. Among non-participants 10 patients were classified as N1M0, six as N2M0, one as N3M0 and one patient as N2M1.