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Table 1 Clinical characteristics of the patients included in the study

From: Automated artificial intelligence-based analysis of skeletal muscle volume predicts overall survival after cystectomy for urinary bladder cancer

Patient characteristics Total
Number of patients 292
Age in years, median (IQR) 74 (68–80)
Follow-up time in years, median (IQR) 3.8 (1.4–6.3)
Sex, number (%)
 Male 222 (76)
 Female 70 (24)
Smoking, number (%) 57 (20)
ASA score, number (%)
 1 34 (12)
 2 174 (60)
 3 79 (27)
 4 3 (1)
Clinical local tumour stage, number (%)
 CIS 25 (9)
 Ta or T1 58 (20)
 T2 143 (49)
 T3 50 (17)
 T4 16 (5)
Clinical node tumour stage, number (%)
 N0 284 (97)
 N1 3 (1)
 N2 or N3 5 (2)
Extent of LND, number (%)
 None 51 (18)
 Only enlarged nodes 19 (7)
 Obturator fossa 39 (13)
 To the iliac bifurcation 181 (62)
 To the aortic bifurcation 2 (1)
Urinary diversion, number (%)
 Ileal conduit 264 (90)
 Neobladder 7 (2)
 Other 21 (7)
Time between CT scan and cystectomy, days, median (IQR) 48 (33–68)
Neoadjuvant chemotherapy, number (%) 26 (9)
Previous surgery or radiotherapy, number (%) 72 (25)
Highest grade 90-day complication, number (%)
 Grade 0−2 74 (25)
 Grade 3 48 (16)
 Grade 4 4 (1)
 Grade 5 4 (1)
Died during follow-up, number (%) 160 (55)
Died during first 2 years of follow-up, number (%) 95 (33)
  1. ASA American Society of Anesthesiologists, IQR Interquartile range, LND Lymph node dissection