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Table 1 Correlation between lncRNA IGFBP4-1 expression and clinicopathological characteristics of LC patients

From: Overexpression of lncRNA IGFBP4–1 reprograms energy metabolism to promote lung cancer progression

Characteristics N of cases Relative IGFBP4–1 expression
Low High P-valuea
Age(years)     0.482
  ≤ 60 96 17 (54.8) 79 (61.7)  
  > 60 63 14 (45.2) 49 (38.3)  
Gender     0.201
 male 61 15 (48.4) 46 (35.9)  
 female 98 16 (51.6) 82 (64.1)  
Smoking History     0.304
 smokers 69 16 (51.6) 53 (41.4)  
 never smokers 90 15 (48.4) 75 (58.6)  
Drinking History     0.156
 drinkers 95 22 (71.0) 73 (57.0)  
 never drinkers 64 9 (29.0) 55 (43.0)  
TMN stage     0.007*
 I+ II 89 24 (77.4) 65 (56.0)  
 III + IV 70 7 (22.6) 63 (44.0)  
T status     0.041*
 T1 + T2 109 26 (83.9) 83 (64.9)  
 T3 + T4 50 5 (16.1) 45 (35.1)  
N status     0.044*
 negative (N0)) 62 17 (54.8) 45 (35.2)  
 positive (N1 + N2 + N3) 97 14 (45.2) 83 (64.8)  
M status     0.034*
 negative (M0) 127 29 (93.5) 98 (76.6)  
 positive (M1) 32 2 (6.5) 30 (23.4)  
  1. aChi-square test
  2. *P < 0.05