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Table 1 Characteristics of the included studies

From: The impact of warm ischemia time on short-term renal function after partial nephrectomy: a systematic review and meta-analysis

Study

Design

Country

Type of surgery

Sample size

Mean tumor size (cm)

Baseline eGFR, mL/min/1.73 m2, mean (range)

Mean age (y)

Median ischemia time (min)

Potentially harmful ischemia time threshold (min)

Abe T et al. 2012 [14]

Retrospective study

(2003–2010)

Japan

LPN

61

2.4 (1-4.1)

79.0 (54.1-114.5)

60 (20–81)

57 (34–112)

45

Antonelli AD et al. 2023 [15]

Randomized controlled trial (2015–2018)

Italy

LPN

324

3 (2–4)

87.12 (75.91–96.52)

65 (55–71)

10.5 (0–16)

10

Beksac AT et al. 2020 [16]

Prospective study (2006–2018)

America

RAPN

375

3.2 (2.4–4.4)

50.5 (42.9–56.3)

68 (61–74)

NA

15

Cignoli D et al. 2023 [17]

Prospective study (1988–2021)

Italy

LPN

1140

3 (2.4-4.0)

85.6 (67.1–98)

61 (51–70)

15 (5.8–20)

15

Thompson RH et al. 2010 [18]

Retrospective study

(2000–2009)

America

LPN and OP

458

NA

NA

NA

NA

NA

Lane BR et al. 2010 [19]

Retrospective study

(1980–2008)

America

LPN

360

4 (2.8–5.3)

51 (41–64)

63 (54–70)

32 (21–47)

30

Lee H et al. 2018 [20]

Retrospective study

(1998–2016)

Korea

LPN

1,816

2.4

NA

54.6

NA

30

Porpiglia F et al. 2012 [21]

Prospective study

(2006–2008)

Italy

LPN

53

3 (1.6)

NA

58.6 (13.2)

21.9 (8.6)

30

Thompson RH et al. 2012 [22]

Retrospective study

(1990–2008)

America

LPN and OP

362

3.4 (0.7–18)

NA

62 (19–93)

21 (4–55)

25

Choi JD et al. 2010 [23]

Prospective study

(2008–2009)

Korea

LPN and RAPN

44

2.5 (0.8–5.7)

89.4 (37.4–133)

53.5 (21–81)

33.4 (19–58)

28

  1. Note: OP, open partial nephrectomy; LPN, laparoscopic partial nephrectomy; RAPN, robot-assisted partial nephrectomy; GFR, glomerular filtration rate; NA, not available