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Table 1 Characteristics of the included studies

From: The comparison of perioperative outcomes of robot-assisted and open partial nephrectomy: a systematic review and meta-analysis

Study

Level of evidence

Design

Matchinga

Follow-up (month)f RAPN/OPN

No. of centers

Quality scoreg

Wu et al. [10]

IIIb

R

1,2,3,4,6,8

12 (6–24)/12 (6–24)

Single

Vittori et al. [11]

II

PN

1,2,3,4,7,8

Perioperative

Multicenter

Masson-Lecomte et al. [16]

IIIb

RP

1,2,3,4,6,8

19 (6–30)/32 (12–40)

Single

Ficarra et al. [17]

IIIb

R

1,2,5,6,7,8

Perioperative

Multicenter

Kim et al. [24]

IV

R

1,2,3,4,5,6

NA/NA

NA

Lucas et al. [18]

IIIb

R

1,2,3,6,7,8,9

9.4 ± 7.6/21.1 ± 18.8

Single

Han et al. [6]

IIIb

RP

1,2, 4,5,6,7,8

Perioperative

Single

Oh et al. [19]

IIIb

R

1,2,3,4,5,6,7, 8,9

Perioperative

Single

Lee et al. [9]

IV

R

1,2,5,6,8

NA/NA

Single

Alemozaffar et al. [7]

IIIb

R

2,3,4,5,6,7

Perioperative

Single

Simhan et al. [12]

IIIb

RP

1,2,3,4,6,7

17.1 ± 9.2/23.9 ± 20.5b; 21.3 ± 13.3/19.8 ± 11.1c

Single

Zargar et al. [20]

IIIb

R

1,2,3,5,6,7

7.8 (18.7)/14 (14.5)d; 4 (18)/19.6 (29.7)e

Multicenter

Boylu et al. [8]

II

PN

1,2,3,5,6,8

33 ± 13/37 ± 20

Single

Mano et al. [22]

IIIb

R

1,2,3,4,5,6,7

Perioperative

Single

Miyake et al. [23]

IIIb

R

1,2,3,4,5,6,7,8

1/1

Single

Webb et al. [21]

IIIb

R

1,2,5,6,8

NA/NA

Single

  1. R retrospective, RP retrospective analysis, prospective data collecting, PN prospective non-randomized design, NA not available
  2. aMatching: 1 = age; 2 = gender; 3 = body mass index; 4 = American Society of Anesthesiologists score; 5 = tumor laterality; 6 = tumor size; 7 = nephrometry score (RENAL or PADUA); 8 = pre-op eGFR; 9 = single surgeon
  3. bModerate nephrometry group (NS 7–9)
  4. cHigh nephrometry group (NS 10–12)
  5. dSimple tumors (RENAL score 4–8)
  6. eComplex tumors (RENAL score 9–12)
  7. fThe follow-up time was reported in the form of “median (inter-quartile range)” or “mean ± standard deviation” or not recorded
  8. gModified Newcastle-Ottawa Scale (NOS)