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Table 3 Temporal changes in distribution of cases by stage at diagnosis and socioeconomic status (SES) quinitiles

From: Socio-economic deprivation: a significant determinant affecting stage of oral cancer diagnosis and survival

  1981–1995 Chi-square test 1996–2009 Chi-square test
  Early Late   Early Late  
  N N   N N  
OCC men       
q1-3 (N = 970) 263 (48.5 %) 279 (51.5 %) 0.01** 213 (49.8 %) 215 (50.2 %) 0.001**
q4-5 (N = 1075) 250 (41.5 %) 352 (58.5 %)   181 (38.3 %) 292 (61.7 %)  
OCC women       
q1-3 (N = 624) 144 (49.5 %) 147 (50.5 %) 0.74 194 (58.3 %) 139 (41.7 %) 0.002**
q4-5 (N = 589) 143 (48.1 %) 154 (51.9 %)   134 (45.9 %) 158 (54.1 %)  
OPC men
q1-3 (N = 733) 47 (22.8 %) 159 (77.2 %) 0.19 61 (11.6 %) 466 (88.4 %) 0.67
q4-5 (N = 723) 43 (17.8 %) 198 (82.2 %) 60 (12.4 %) 422 (87.6 %)
OPC women
q1-3 (N = 256) 28 (28.6 %) 70 (71.4 %) 0.61 41 (25.9 %) 117 (74.1 %) 0.09
q4-5 (N = 260) 27 (25.5 %) 79 (74.5 %) 28 (18.2 %) 126 (81.8 %)
  1. **Significant P value < 0.05