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Table 1 Study characteristics

From: Fluid resuscitation with balanced crystalloids versus normal saline in critically ill patients: a systematic review and meta-analysis

Study

Sample Size (n)

Age (years)

Men n (%)

Severity

Type of balanced saline

Serum creatinine

Sepsis patients n (%)

Invasive mechanical ventilation patients n (%)

Cumulative volume of fluids (at first 24 h) (ml)

Cumulative volume of fluids during follow-up period

Mortality: follow-up period in days

Finfer 2022

5037

BS: 61.7(16.4)a

BS: 1578(62.7)

APACHE II BS: 19.0 (14.0–26.0)b

Plasma-Lyte 148

BS: 127.4(109.8)a

BS: 1048(42.8)

BS: 1861(75.9)

BS: 1609c

BS: 3900 (2000–6700)b

90

  

NS: 62.1(16.5)a

NS: 1511(59.9)

NS: 19.0 (14.0–25.0)b

 

NS: 125.9(112.0)a (μmol/L)

NS: 1023(41.8)

NS: 1881(76.8)

NS: 1522c

NS: 3700(2000–6300)b

 

Zampieri2021

11,052

BS: 60.9(17.0)a

BS: 2909(55.6)

APACHE II BS: 12 (8–17)b

Plasma-Lyte 148

BS: 1.2 (0.9)a

BS: 966 (18.5)

BS: 2304(44.2)

BS: 2078c

BS: 4100(2900)a

90

  

NS: 61.2(16.9)a

NS: 2956(55.9)

NS: 12 (8–17)b

 

NS: 1.2 (0.9)a (mg/dl)

NS: 1015(19.2)

NS: 2340(44.3)

NS: 2096c

NS: 4100(2900)a

 

Young 2015

2278

BS: 60.1(16.8)a

BS: 739 (64)

APACHE II BS: 14.1(6.9)a

Plasma-Lyte 148

BS: 0.98 (0.76)a

BS: 41 (4)

BS: 768(67)

BS: 1226(653–2505)b

BS: 2000(1000–3500)b

In hospital

  

NS: 61.0(16.3)a

NS: 746 (67)

NS: 14.1(6.7)a

 

NS: 0.99 (0.68)a (mg/dl)

NS: 43 (4)

NS: 731 (66)

NS: 1431(784–2340)b

NS: 2000(1000–3300)b

 

Young2014

65

BS: 38(19)a

BS: 16 (73)

ISS BS: 24(18)a

Plasma-Lyte A

BS: 1.0 (0.3)a

NR

NR

NR

BS: 10,300(2900)a

30

  

NS: 39(14)a

NS: 19 (79)

NS: 2 22(14)a

 

NS: 1.0 (0.2)a (mg/dl)

   

NS: 4100(6500)a

 

Semler 2017

974

BS: 57 (42–68)b

BS: 268 (51.5)

NR

Lactated ringer’s solution and Plasma-Lyte A

BS: 0.83 (0.67–1.09b

BS: 130 (25.0)

BS: 174 (33.5)

BS: 1597c

BS: 1600(500–3600)b

60

  

NS: 58 (46–71)b

NS: 246 (54.2)

  

NS: 0.86 (0.69–1.12)b (mg/dl)

NS: 130 (28.6)

NS: 155 (34.1)

NS: 1238c

NS: 1400(500–3400)b

 

Semler 2018

15,802

BS: 58(44–69)b

BS: 4540(57.2)

NR

Lactated ringer’s solution and Plasma-Lyte A

BS: 0.89(0.74–1.10)b

BS: 1167(14.7)

BS: 2723 (34.3)

BS: 1642c

BS: 1000(0–3210)b

60

  

NS: 58(44–69)b

NS: 4557(58.0)

  

NS: 0.89(0.74–1.10)b (mg/dl)

NS: 1169(14.9)

NS: 2731 (34.7)

NS: 1506c

NS: 1020(0–3500)b

 

Verma 2016

67

BS: 62(45–70)b

BS: 21(63.6)

NR

Plasma-Lyte 148

BS: 85 (58–134)b

BS: 4 (12.1)

BS: 19 (57.6)

BS: 1090(620–2500)b

BS: 2900(1600–5600)b

In hospital

  

NS: 64(46–72)b

NS: 21(61.8)

  

NS: 90 (60–121)b (μmol/L)

NS: 3 (8.9)

NS: 19 (55.9)

NS: 1275(435–2243)b

NS: 3400(1200–5800)b

 

Ratanarat 2017

181

NR

NR

NR

NR

NR

NR

NR

NR

NR

NR

  1. APACHE, Acute Physiology and Chronic Health Evaluation; BS: Balanced saline; NS: Normal saline; NR, not report; ISS, Injury Severity Score; aMean ± standard error. bMedian (interquartile range). cMean