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Table 1 Individuals’ basic characteristics categorized based on ACAG

From: Association between albumin corrected anion gap and 30-day all-cause mortality of critically ill patients with acute myocardial infarction: a retrospective analysis based on the MIMIC-IV database

Characteristic

Total cohort

(n = 2160)

Tertile of the ACAG

P

 < 17.50(712)

17.50–21.75(706)

 >  = 21.75(742)

Age, years

72.60 (19.77–97.47)

72.80 (22.84–97.47)

73.25 (19.77–96.75)

71.53 (21.65–97.42)

0.011

Female, n (%)

891 (41.25%)

277 (38.90%)

302 (42.78%)

312 (42.05%)

0.288

Ethnicity, n %)

    

 < 0.001

 White

1413 (65.42%)

468 (65.73%)

484 (68.56%)

461 (62.13%)

 

 Black

205 (9.49%)

51 (7.16%)

61 (8.64%)

93 (12.53%)

 

 Asian

46 (2.13%)

9 (1.26%)

14 (1.98%)

23 (3.10%)

 

Unknown

496 (22.96%)

184 (25.84%)

147 (20.82%)

165 (22.24%)

 

AF, n(%)

821 (38.01%)

251 (35.25%)

287 (40.65%)

283 (38.14%)

0.111

Hypertension, n(%)

753 (34.86%)

300 (42.13%)

258 (36.54%)

195 (26.28%)

 < 0.001

Hyperlipidemia, n(%)

1102 (51.02%)

397 (55.76%)

356 (50.42%)

349 (47.04%)

0.004

CCI

7.00 (1.00–20.00)

7.00 (1.00–18.00)

8.00 (1.00–20.00)

8.00 (1.00–17.00)

 < 0.001

MV, n(%)

919 (42.55%)

276 (38.76%)

270 (38.24%)

373 (50.27%)

 < 0.001

Vasoactive drugs, n(%)

1129 (52.27%)

312 (43.82%)

359 (50.85%)

458 (61.73%)

 < 0.001

β-blockers, n(%)

1136 (52.59%)

427 (59.97%)

362 (51.27%)

347 (46.77%)

 < 0.001

CABG, n(%)

294 (13.61%)

173 (24.30%)

82 (11.61%)

39 (5.26%)

 < 0.001

PCI, n(%)

357 (16.53%)

141 (19.80%)

126 (17.85%)

90 (12.13%)

 < 0.001

Heart rate, bpm

88.00 (34.00–179.00)

82.00 (40.00–157.00)

89.00 (34.00–179.00)

93.00 (41.00–179.00)

 < 0.001

SBP, mmHg

119.00 (46.00–229.00)

121.00 (65.00–204.00)

119.00 (47.00–229.00)

118.00 (46.00–220.00)

0.023

DBP, mmHg

67.00 (11.00–190.00)

68.00 (18.00–171.00)

66.00 (11.00–176.00)

66.00 (11.00–190.00)

0.290

Weight, Kg

78.70 (33.60–231.50)

78.12 (35.70–201.00)

79.00 (35.80–231.50)

78.10 (33.60–181.70)

0.756

SPO2, %

97.00 (14.00–100.00)

98.00 (14.00–100.00)

97.00 (62.00–100.00)

97.50 (59.00–100.00)

0.041

Albumin, g/dl

3.40 (0.80–5.40)

3.50 (1.20–5.00)

3.30 (1.00–5.20)

3.20 (0.80–5.40)

 < 0.001

AG, mmol/L

17.00 (5.00–56.00)

13.00

(5.00–18.00)

17.00 (11.00–22.00)

22.00 (15.00–56.00)

 < 0.001

CK-MB, U/L

11.00 (1.00–673.00)

12.00 (1.00–594.00)

10.00 (1.00–575.00)

12.00 (1.00–673.00)

0.196

Troponin-T, ng/ml

0.44 (0.01–51.84)

0.43 (0.01–24.98)

0.44 (0.01–41.30)

0.47 (0.01–51.84)

0.350

Outcome, n(%)

     

 Stroke

36 (1.67%)

10 (1.40%)

12 (1.70%)

14 (1.89%)

0.770

 Bleeding

298 (13.80%)

77 (10.81%)

93 (13.17%)

128 (17.25%)

0.002

 30-day mortality

430 (19.91%)

81 (11.38%)

125 (17.71%)

224 (30.19%)

 < 0.001