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Table 1 Characteristics of included studies

From: Pregnancy outcomes in patients with acute kidney injury during pregnancy: a systematic review and meta-analysis

Study Country Sample size of patientsa Sample size of pregnanciesa Definition of AKI Mean Scrb (umol/L) Follow-up (y) Mean Maternal Age (y) Primiparous (%) No.of ESRD
(%)
No.of Maternal Mortality Events (%) No.of Fetal Mortality Events (%)
Bentata 2012 [8] Morocco 137 (46/91) 137
(46/91)
RIFLE 176/70c 3 31.2 69 (50) 2 (1.5) 17 (12.4) 48 (35.0)
Bouaziz 2013 [16] Tunisia 550 (313/237) 550 (313/237) Scr > 0.8 mg/dL 150/53 17 33.8 264 (48) 2 (0.4) 33 (6.0)  
Liu 2015 [20] China 38
(22/16)
41
(24/17)
1.AKIN; 2. Scr > 0.8 mg/dL 165/72c 9 34.3 23 (61) 1 (2.6) 0 (0) 8 (19.5)
Zhu 2011 [19] China 494 (40/454) 533 (40/493) AKIN 216/68 1 33.9 222 (45) 80 (15.0)
Mei 2012 [24] China 600 (90/510) 606 (90/516) AKIN   4 33.4 440 (73) 1 (0.2)   51 (8.4)
Zeng 2011 [22] China 174 (54/120) 174 (54/120) AKIN   3 34 125 (72) 1 (0.6)   28 (16.1)
Chen 2011 [23] China 3553 (85/3468) 3555 (85/3470) Scr > 0.8 mg/dL   5 38.1     164 (4.6)
Jonard 2014 [18] France 182 (68/114) 193 (74/119) Scr > 1.0 mg/dL   5 36 c 3 (1.6)   
Zhang 2011 [25] China 130 (50/80) 130
(50/80)
AKIN   1 38.2     19 (14.6)
Mjahed 2004 [21] Morocco 178 (46/132) 178 (46/132) Scr > 1.5 mg/dL 343/<140 7 35.1 112 (63) 1 (0.6) 27 (15.2)  
Gul 2004 [17] Turkey 132 (20/112) 135 (23/112) Scr > 1.2 mg/dL and/or oliguria <400 mL/24 h 274/70 1 32.6   0 (0)   20 (14.8)
  1. Abbreviations: AKI Acute kidney injury, Scr serum creatinine, ESRD End stage renal disease
  2. aExpressed as total number of patients (number in PR-AKI group/number in control group)
  3. bExpressed as the mean of Scr in the PR-AKI group / the mean in the control group
  4. cMedian