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Table 2 The distribution of relevant variables and their association with outcomes

From: Association between preoperative serum albumin and prognosis in patients with adrenocortical carcinoma after primary resection: a retrospective study

Variables All patients
[n (%)]
Recurrence Death
Events [n (%)] P Events [n (%)] P
Gender [n (%)]
 Male 30 (42.3) 12 (16.9) 0.349 12 (16.9) 0.031
 Female 41 (57.7) 21 (29.6)   27 (38.0)  
Age (years)
  ≤ 45 38 (53.5) 20 (28.2) 0.265 23 (32.4) 0.309
  > 45 33 (46.5) 13 (18.3)   16 (22.5)  
Hormonal secretion [n (%)]
 No 41 (57.7) 19 (26.8) 0.978 25 (35.2) 0.231
 Yes 30 (42.3) 14 (19.7)   14 (19.7)  
Comorbidities [n (%)]
 No 43 (60.6) 19 (26.8) 0.631 25 (35.2) 0.501
 Yes 28 (39.4) 14 (19.7)   14 (19.7)  
Diameter of tumor (cm)
  ≤ 5 16 (22.5) 8 (11.3) 0.704 5 (7) 0.013
 5–8 24 (33.8) 13 (18.3)   18 (25.4)  
 8–10 8 (11.3) 3 (4.2)   2 (2.8)  
  > 10 23 (32.4) 9 (12.7)   14 (19.7)  
Tumor stage[n (%)]
 I 9 (12.7) 4 (5.6) 0.977 3 (4.2) 0.389
 II 37 (52.1) 17 (23.9)   21 (29.6)  
 III 20 (28.2) 10 (14.1)   11 (15.5)  
 IV 5 (7.0) 2 (2.8)   4 (5.6)  
Modus operandi [n (%)]
 Laparoscopy 23 (32.4) 13 (18.3) 0.240 10 (14.1) 0.179
 Open 48 (67.6) 20 (28.2)   29 (40.8)  
Post-recurrence adjuvant treatment [n (%)]
 No 54 (76.1) 16 (22.6) < 0.001 26 (36.6) 0.041
 Yes 17 (23.9) 17 (23.9)   13 (18.3)  
Ki67 index (%)
  ≤ 5 22 (31.0) 6 (8.5) 0.145 12 (17.0) 0.155
 5–10 28 (39.4) 16 (22.5)   14 (19.7)  
 10–20 9 (12.7) 6 (8.5)   4 (5.6)  
  > 20 12 (16.9) 5 (7.0)   9 (12.7)  
Albumin (g/L)
  ≤ 40 35 (49.3) 21 (29.6) 0.024 25 (35.2) 0.006
  > 40 36 (50.7) 12 (16.9)   14 (19.7)  
Globulin (g/L)
  ≤ 25 23 (32.4) 11 (15.5) 0.875 15 (21.1) 0.228
  > 25 48 (67.6) 22 (31.0)   24 (33.8)  
Hemoglobin (g/L)
  ≤ 130 33 (46.5) 20 (28.2) 0.026 21 (29.6) 0.169
  > 130 38 (53.5) 13 (18.3)   18 (25.4)  
  1. Bold figures indicate statistical significance at P<0.05