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Table 1 Characteristics of participants with RRT indications

From: Renal replacement therapy in acute kidney injury from a Chinese cross-sectional study: patient, clinical, socioeconomic and health service predictors of treatment

 

Total (n = 896)

RRT(n = 531)

No-RRT(n = 365)

P

Age, years

59.7 ± 18.2

57.0 ± 18.2

63.7 ± 17.4

<0.001

Male sex

587 (65.5%)

322 (60.6%)

265 (72.6%)

<0.001

GDP per heada

   

<0.001

 Tertile 1

294 (32.8%)

139 (26.2%)

155 (42.5%)

 

 Tertile 2

319 (35.6%)

192 (36.2%)

127 (34.8%)

 

 Tertile 3

283 (31.6%)

200 (37.7%)

83 (22.7%)

 

HA- AKI

360 (40.2%)

184 (34.7%)

176 (48.2%)

<0.001

CKD

306 (34.2%)

185 (34.8%)

121 (33.2%)

0.600

HT

372 (41.5%)

214 (40.3%)

158 (43.3%)

0.373

DM

179 (20.0%)

106 (20.0%)

73 (20.0%)

0.989

CVD

267 (29.8%)

138 (26.0%)

129 (35.3%)

0.003

Malignancies

143 (16.0%)

72 (13.6%)

71 (19.5%)

0.018

Academic hospital

732 (81.7%)

447 (84.2%)

285 (78.1%)

0.020

AKI stage at peak

   

<0.001

 1

120 (13.4%)

48 (9.0%)

72 (19.7%)

 

 2

130 (14.5%)

54 (10.2%)

76 (20.8%)

 

 3

646 (72.1%)

429 (80.8%)

217 (59.5%)

 

Admission dept.

   

<0.001

 ICU

378 (42.2%)

258 (48.6%)

120 (32.9%)

 

 Renal

160 (17.9%)

127 (23.9%)

33 (9.0%)

 

 Surgical

104 (11.6%)

53 (10.0%)

51 (14.0%)

 

 Other

254 (28.3%)

93 (17.5%)

161 (44.1%)

 

Renalreferral

518 (57.8%)

362 (68.2%)

156 (42.7%)

<0.001

Cost, US dollars

7190 (3346,16431)

9491 (4284,18905)

4537 (2405,11036)

<0.001

Classification

   

0.048

 Pre-renal

345 (38.5%)

185 (34.8%)

160 (43.8%)

 

 Intra-renal

437 (48.8%)

276 (52.0%)

161 (44.1%)

 

 Post-renal

87 (9.7%)

52 (9.8%)

35 (9.6%)

 

 Unclassified

27 (3.0%)

18 (3.4%)

9 (2.5%)

 

Non-Oliguria

368 (48.7%)

194 (43.1%)

174 (57.0%)

<0.001

Severe comorbidity

516 (57.6%)

269 (50.7%)

247 (67.7%)

<0.001

Renal recovery

(n = 615)

   

0.094

 Full recovery

126 (20.5%)

71 (17.9%)

55 (25.2%)

 

 Partial recovery

203 (33.0%)

134 (33.8%)

69 (31.7%)

 

 Failed recovery

286 (46.5%)

192 (48.4%)

94 (43.1%)

 

Treatment withdrawal

(n = 859)

200 (23.3%)

99 (19.4%)

101 (28.9%)

0.001

In hospital Mortality

216 (25.1%)

94 (18.4%)

122 (35.0%)

<0.001

  1. Abbreviations: RRT renal replacement therapy, GPD gross domestic product, HA-AKI hospital acquired-acute kidney injury, CKD chronic kidney disease, HT hypertension, DM diabetes mellitus, CVD cardiovascular disease, ICU intensive care unit
  2. aGDP per head was divided into tertiles calculated from the whole survey population