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Table 1 Patient preoperative and operative characteristics

From: Risk factors of postoperative complications after radical cystectomy with continent or conduit urinary diversion in Armenia

Characteristicsa

All patients n = 273

No complications n = 194

In-hospital complications n = 79

P value

Age (years), mean (SD)

58.5 (8.9)

58.6 (8.5)

58.3 (9.8)

0.82

Age (years), n (%)

   

0.18

 <55

97 (35.5)

66 (34.0)

31(39.2)

 

 55–64

106 (38.8)

82 (42.3)

24 (30.4)

 

 ≥65

70 (25.6)

46 (23.7)

24 (30.4)

 

Male, n (%)

255 (93.4)

179 (92.3)

76 (96.2)

0.29

Place of living, n (%)

   

0.70

 Urban

210 (76.9)

148 (76.3)

62 (78.5)

 

 Rural

63 (23.1)

46 (23.7)

17 (21.5)

 

Hospital, n (%)

   

<0.01

 A

172 (63.0)

132 (68.0)

40 (50.6)

 

 B

48 (17.6)

25 (12.9)

23 (29.1)

 

 C

34 (12.5)

28 (14.4)

6 (7.6)

 

 Otherb

19 (7.0)

9 (4.6)

10 (12.7)

 

Year of surgery, n (%)

   

0.58

 2011/12

57 (20.9)

37 (19.1)

20 (25.3)

 

 2009/10

86 (31.5)

60 (30.9)

26 (32.9)

 

 2007/08

81 (29.7)

61 (31.4)

20 (25.3)

 

 2005/06

49 (17.9)

36 (18.6)

13 (16.5)

 

BMI (kg/m2), mean (SD)

26 (4.6)

25.9 (4.5)

26.1 (5.0)

0.75

Current smoker, n (%)

133 (73.9)

96 (75.0)

37 (71.2)

0.59

Diabetes, n (%)

14 (5.1)

9 (4.6)

5 (6.3)

0.56

Hypertension, n (%)

52 (19.0)

37 (19.1)

15 (19.0)

0.99

Preoperative hydronephrosis, n (%)

67 (24.5)

49 (25.3)

18 (22.8)

0.67

Preoperative chemotherapy, n (%)

22 (8.1)

14 (7.2)

8 (10.1)

0.42

Any prior surgery, n (%)

105 (38.5)

76 (39.2)

29 (36.7)

0.70

Renal diseases, n (%)

49 (17.9)

34 (17.5)

15 (19.0)

0.78

Gastrointestinal diseases, n (%)

55 (20.1)

41 (21.1)

14 (17.7)

0.52

IHD, n (%)

38 (13.9)

20 (10.3)

18 (22.8)

0.01

COPD/asthma, n (%)

20 (7.3)

14 (7.2)

6 (7.6)

0.91

Other diseases, n (%)

51 (18.7)

37 (19.1)

14 (17.7)

0.80

Hemoglobin level (g/l), mean (SD)

134.1 (18.7)

133.5 (19.2)

135.5 (17.5)

0.43

Preoperative red blood cells count (×1012/L), mean (SD)

4.2 (0.6)

4.1 (0.6)

4.2 (0.5)

0.36

Preoperative white blood cells count (×109/L), mean (SD)

7.5 (2.1)

7.4 (1.9)

7.6 (2.6)

0.55

Preoperative creatinine level (mkm/L), mean (SD)

90.7 (24.8)

89.5 (24.6)

93.7 (25.2)

0.21

Preoperative glucose level (mmol/L), mean (SD)

5.7 (1.9)

5.8 (2.1)

5.2 (1.28)

0.01

Preoperative protein level (g/100 mL), mean (SD)

7.8 (0.6)

7.8 (0.59)

7.8 (0.58)

0.93

Preoperative fibrinogen (mg/100 mL), mean (SD)

430.2 (120.6)

430.9 (127.5)

428.4 (102.0)

0.87

Transurethral resection (TUR) in the past, n (%)

123 (45.1)

90 (46.4)

33 (41.8)

0.49

Preoperative cystoscopy, n (%)

76 (27.9)

48 (24.9)

28 (35.4)

0.08

Preoperative TUR biopsy, n (%)

60 (22.0)

39 (20.3)

21 (26.6)

0.26

Stage of the cancer, n (%)

   

0.57

 Bladder confined (pT1-2 pN0 M0)

154 (56.6)

113 (58.5)

41 (51.9)

 

 Locally Advanced (pT3-4a pN0 M0)

86 (31.6)

59 (30.6)

27 (34.2)

 

 Extravesical (pT4b/any pT with N1-N3 or M1)

32 (11.8)

21 (10.9)

11 (13.9)

 

Type of urinary diversion, n (%)

   

0.62

 Continent

234 (85.7)

165 (85.1)

69 (87.3)

 

 Conduit

39 (14.3)

29 (14.9)

10 (12.7)

 

ASA score, n (%)

   

0.01

 1 or 2

180 (71.7)

135 (76.3)

45 (60.8)

 

 3 or 4

71 (28.3)

42 (23.7)

29 (39.2)

 

Anesthesia type (%)

   

0.05

 General

38 (13.9)

22 (11.3)

16 (20.3)

 

 Combined general and epidural

235 (86.1)

172 (88.7)

63 (79.7)

 

Operative time (minutes), mean (SD)

325.6 (81.5)

322.6 (82.0)

333.0 (80.0)

0.34

Transfusion of RBCc, n (%)

80 (29.3)

53 (27.3)

27 (34.2)

0.26

Transfusion of FFPc, n (%)

55 (20.1)

21 (10.8)

34 (43.0)

<0.01

Any transfusion (RBC/FFP)c, n (%)

107 (39.2)

62 (32.0)

45 (57.0)

<0.01

  1. ASA American Society of Anesthesiologists, BMI body mass index, COPD chronic obstructive pulmonary disease, ICU intensive care unit, IHD ischemic heart disease, FFP fresh frozen plasma, LOS length of stay, RBC red blood cells, SD standard deviation, TUR transurethral resection
  2. aMore than 5 % missing values present for the variables “Current smoker”(34 %), “BMI” (9 %), and “ASA” (8 %). For variables with missing values, calculations were made after excluding missing values
  3. bCombined data from four hospitals
  4. cRepresents the number of patients with any intraoperative and/or postoperative transfusion