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Table 1 Baseline characteristics by BMI level of patients with metastatic nasopharyngeal carcinoma (NPC)

From: Overweight/obese status associates with favorable outcome in patients with metastatic nasopharyngeal carcinoma: a 10-year retrospective study

Variable All Underweight Normal weight Overweight/obese P value*
Total 819 168 431 220  
Age (years) 0.043
 <45 419 (51.2) 97 (57.7) 223 (51.7) 99 (45.0)  
 ≥45 400 (48.8) 71 (42.3) 208 (48.3) 121 (55.0)  
Sex 0.688
 Men 681 (83.2) 139 (82.7) 355 (82.4) 187 (85.0)  
 Women 138 (16.8) 29 (17.3) 76 (17.6) 33 (15.0)  
UICC T category 0.504
 T1–2 369 (45.1) 76 (45.2) 201 (46.6) 92 (41.8)  
 T3–4 450 (54.9) 92 (54.8) 230 (53.4) 128 (58.2)  
UICC N category 0.221
 N0–1 417 (50.9) 89 (53.0) 227 (52.7) 101 (45.9)  
 N2–3 402 (49.1) 79 (47.0) 204 (47.3) 119 (54.1)  
Metastasis onset <0.001
 Synchronous 272 (33.2) 42 (25.0) 135 (31.3) 95 (43.2)  
 Metachronous 547 (66.8) 126 (75.0) 296 (68.7) 125 (56.8)  
Lung metastasis 0.709
 Absent 469 (57.3) 96 (57.1) 242 (56.1) 131 (59.5)  
 Present 350 (42.7) 72 (42.9) 189 (43.9) 89 (40.5)  
Liver metastasis 0.201
 Absent 574 (70.1) 118 (70.2) 292 (67.7) 164 (74.5)  
 Present 245 (29.9) 50 (29.8) 139 (32.3) 56 (25.5)  
Bone metastasis 0.032
 Absent 382 (46.6) 67 (39.9) 219 (50.8) 96 (43.6)  
 Present 437 (53.4) 101 (60.1) 212 (49.2) 124 (56.4)  
Solitary lesion 0.010
 No 701 (85.6) 155 (92.3) 356 (82.6) 190 (86.4)  
 Yes 118 (14.4) 13 (7.7) 75 (17.4) 30 (13.6)  
Number of involved sites 0.592
 One 545 (66.5) 107 (63.7) 287 (66.6) 151 (68.6)  
 Two or more 274 (33.5) 61 (36.3) 144 (33.4) 69 (31.4)  
Treatment modality 0.322
 CT 607 (74.1) 132 (78.6) 313 (72.6) 162 (73.6)  
 CT + LT 212 (25.9) 36 (21.4) 118 (27.4) 58 (26.4)  
  1. All values are presented as the number of cases followed by percentage in the parentheses
  2. BMI body mass index; UICC Union of International Cancer Control; CT chemotherapy; LT local therapy
  3. P values were computed excluding patients without information in the corresponding variable