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Table 2 Study Cohort

From: Development of the multivariate administrative data cystectomy model and its impact on misclassification bias

 

Cystectomy-Diversion Type

No Cystectomy (n = 428 197)

Overall (n = 428 697)

 

Incontinent (n = 278)

Continent (n = 222)

PATIENT

 Mean Age (SD)a

71.2 (10.4)

63.6 (8.5)

57.5 (20.6)

57.5 (20.6)

 Male (%)a

201 (72.3)

177 (79.7)

173 465 (40.5)

173 843 (40.6)

 Bladder Cancer—OCRb

218 (78.8)

204 (91.9)

6 112 (1.4)

6 535 (1.5)

 - DADa

234 (84.2)

218 (98.2)

2 732 (0.6)

3 184 (0.7)

HOSPITALIZATION

 Elective Admission (%)a

265 (95.3)

218 (98.2)

143 112 (33.4)

143 595 (33.5)

 Urology 1° Service (%)a

276 (99.3)

222 (100.0)

20 846 (4.9)

21 344 (5.0)

 Blood Transfusion (%)a

165 (59.4)

122 (55.0)

53 547 (12.5)

53 834 (12.6)

PROCEDURAL

 Cystectomy Code—Incontinent (%)a

270 (97.1)

23 (28.4)

128 (0.0)

461 (0.1)

 - Continent (%)a

150 (54.0)

222 (100.0)

87 (0.0)

459 (0.1)

 1° procedure—In Main ORa

275 (98.9)

222 (100.0)

145 473 (34.0)

145 970 (34.0)

 - Not in Main ORa

 ≤ 5 (0.7)

0 (0.0)

177 6XX (41.X)

177 604 (41.4)

 - None

 

0 (0.0)

  

 General Anesthetic (%)a

265 (95.3)

215 (96.8)

114 629 (26.8)

115 109 (26.9)

 Median 1° Procedure, min (IQR)a

526 (468, 590)

641 (576, 695)

0.0 (0.0, 113)

0.0 (0.0, 113)

OUTCOMES

 Unplanned Return to OR, 28d (%)a

21 (7.6)

19 (8.6)

12 (0.0)

52 (0.0)

 DC Home, no supports (%)a

36 (12.9)

48 (21.6)

266 924 (62.3)

267 008 (62.3)

 Death/Readmit in 28d (%)a,c

25 (9.0)

19 (8.6)

37 587 (8.8)

37 631 (8.8)

 Median Acute LOS (IQR)a

11.0 (8.0, 19.0)

10.0 (8.0–19.0)

3.0 (2.0, 7.0)

3.0 (2.0, 7.0)

  1. The database source (Table 2) of each covariate is indicated (aDischarge Abstract Database, bOntario Cancer Registry, cRegistered Persons Database)
  2. SD Standard deviation, % Percentage, OCR Ontario Cancer Registry, DAD Discharge Abstract Database, 1 Primary, OR Operating room, min minutes, IQR Interquartile range, d days, DC Discharge, LOS Length of stay