Skip to main content
African Journal of Urology

Table 1 Comparative results of renal donor operations at Basel University Hospital Switzerland and Tygerberg Academic Hospital South Africa

From: Evaluating the differences in the early laparoscopic donor nephrectomy learning curves of a Swiss high volume transplant program and a South African low volume transplant program after knowledge transfer

 

Tygerberg 74 cases

Basel 74 cases

Mean difference

P—value

95% CI

Age in years—mean (range)

33 (18–52)

54 (27–79)

21

 < 0.0001

17.8–24.3

Body mass index (BMI) m2/kg—mean (range)

26.4 (17–39)

25.8 (17.3–40.1)

2.1

0.39

2.1–0.8

Males/females (% male)

42/32 (57%)

23/51 (31%)

   

Left/right (%left)

43/31 (58%)

49/19 (72%)

   

Time to complete series

75 months

32 months

   

Operative time in minutes—mean (range)

148 (75–255)

152 (60–270)

− 4

0.658

− 11.7–18.6

Blood loss in millilitre—mean (range)

134 (5–700)

170 (0–600)

− 36

0.0845

− 5.0–77.5

Warm ischaemic time in seconds—mean (range)

187 (105–630)

120 (50–240)

67

 < 0.0001

− 44.6–90.1

Warm ischaemic time left in seconds—mean (range)

162 (105–330)

120.6 (50–240)

41.4

0.0002

21 – 63.8

Warm ischaemic time right in seconds—mean (range)

222.4 (120–630)

118.4 (60–180)

104

0.0003

50.8–157.1

Intra-department warm ischaemic time left vs. right Basel—difference in means in seconds

 

2.2

2.2

0.75

− 26.1—18.8

Intra-department warm ischaemic time left vs. right Tygerberg—difference in means in seconds

60.4

 

60.4

0.001

26.9–101.8

Hospital stay in days—mean (range)

3.8 (2–8)

11 (4–29)

− 7.2

 < 0.0001

6.4–8.1

Donor creatinine at six months mmol/l—mean (range)

100 (60–135)

105 (73–159)

− 5

0.85

− 8.7–10.4

Graft failure at six months

6

3

   

Recipient serum creatinine excluding above cases mmol/l—mean (range)

162 (64–353)

na

   

Donor deaths

0

0

   

Conversions

1

2

   
 

Tygerberg first 25 cases

Basel first 25 cases

Mean difference

P value

95% CI

Operative time in minutes—mean (range)

171.8 (90–250)

158.8 (90–270)

13

0.34

− 14.7–41.3

Blood loss in millilitre—mean (range)

144 (5–700)

179 (50–500)

− 35

0.41

− 51.2–121.8

Warm ischaemic time in seconds—mean (range)

204 (107–630)

130 (60–240)

74

0.0023

28–120.6

Blood transfusions in units

0

3

   

Conversions

0

2

   
 

Tygerberg last 25 cases

Basel last 25 cases

Mean difference

P value

95% CI

Operative time in minutes—mean (range)

144 (85–255)

144 (70–210)

0

0.98

− 24.9–24.4

Blood loss in millilitre—mean (range)

122 (15–375)

150 (0–600)

− 28

0.4

− 38.5–94

Warm ischaemic time in seconds—mean (range)

201 (105–540)

117 (65–230)

84

0.0001

43.7–126.5

Blood transfusions in units

0

0

   

Conversions

0

0

   
 

Tygerberg single surgeon

Basel single surgeon (AB)

Mean difference

P value

95% CI

Operative time in minutes—mean (range)

148 (75–255)

154 (70–270)

− 6

0.56

− 13.7–25.08

Blood loss in millilitre—mean (range)

134 (95–700)

188 (0–600)

− 54

0.55

− 1.34–110.3

Warm ischaemic time in seconds—mean (range)

187 (105–630)

124 (90–230)

63

< 0.0001

39.7–86.1

Conversions

0

0

   

Blood transfusions in units

0

0

   
Back to article page