Table 1 Demographic and clinical characteristics of the study population.

From: Potential value of red blood cell distribution width in predicting in-hospital mortality in intensive care US population with acute pancreatitis: a propensity score matching analysis

Characteristics

Before PSM

After PSM

Death (n = 110)

Survival (n = 787)

P

Death (n = 107)

Survival (n = 107)

P

*Age (year)

67.5 (57.0–81.0)

57.0 (46.0–71.0)

 < 0.001

69.5 (57.5–81.0)

70.0 (60.0–81.0)

0.836

*Gender (Male)

57 (51.8)

466 (59.2)

0.141

55 (51.4)

55 (51.4)

1.000

LOS ICU (day)

5.4 (1.6–12.8)

2.8 (1.4–5.9)

0.001

4.3 (1.5–11.4)

2.2 (1.2–4.3)

 < 0.001

LOS HOS(day)

10.8 (3.4–19.5)

11.4 (6.5–20.0)

0.487

12.9 (3.5–21.5)

10.8 (5.9–19.0)

0.943

*CCI

6 (5–8)

4 (2–6)

 < 0.001

6 (5–8)

6 (4–7)

0.197

Laboratory measurements

 RBC(1012/L)

3.4 (2.9–4.1)

3.7 (3.2–4.2)

 < 0.001

3.4 (2.8–4.1)

3.7 (3.2–4.2)

0.010

 WBC(109/L)

14.6 (9.3–21.0)

12.4 (8.6–17.4)

0.007

14.1 (9.4–19.6)

12.9 (8.8–19.8)

0.197

 PLT(109/L)

146 (93–239)

190 (137–265)

0.002

152 (96–250)

193 (144–280)

0.017

 AG(mmol/L)

18.0 (14.5–22.0)

15.0 (13.0–17.5)

 < 0.001

17.5 (14.0–21.3)

15.0 (13.0–16.5)

 < 0.001

 Cr(ng/dL)

1.8 (1.2–3.3)

1.0 (0.7–1.7)

 < 0.001

1.7 (1.1–3.0)

1.1 (0.8–1.6)

 < 0.001

 INR

1.5 (1.3–2.1)

1.3 (1.2–1.5)

 < 0.001

1.5 (1.3–2.0)

1.4 (1.2–1.6)

0.002

Vital signs

 HR(bpm)

93 (86–109)

95 (81–108)

0.290

95 (87–110)

91 (78–106)

0.029

 SBP (mmHg)

108 (100–119)

123 (111–137)

 < 0.001

108 (100–119)

125 (110–139)

 < 0.001

 DBP (mmHg)

59 (53–67)

69 (61–78)

 < 0.001

59 (53–68)

67 (56–74)

0.012

 RR(cpm)

22 (19–25)

20 (17–23)

 < 0.001

22 (20–25)

20 (18–22)

 < 0.001

 T(℃)

36.8 (36.4–37.2)

37.0 (36.7–37.4)

 < 0.001

36.8 (36.5–37.2)

36.8 (36.6–37.1)

0.184

RDW (%)

15.75 (14.43–17.45)

14.54 (13.60–15.69)

 < 0.001

15.67 (14.43–17.25)

14.87 (13.95–15.75)

 < 0.001

BISAP score

3 (3–4)

2 (2–3)

 < 0.001

3 (3–4)

3 (2–4)

0.001

SOFA score

12 (8–15)

5 (3–8)

 < 0.001

11 (7–14)

5 (3–7)

 < 0.001

  1. Values are expressed as the median (IQR) or n (%).
  2. PSM propensity score matching, LOS ICU length of intensive care unit stay, LOS HOS length of hospital stay, CCI Charlson Comorbidity Index, RBC red blood cell, WBC white blood cell, PLT platelets, AG anion gap, Cr creatinine, INR international normalized ratio, HR heart rate, bpm beat per minute, SBP systolic blood pressure, DBP diastolic blood pressure, RR respiratory rate, cpm count per minute, T temperature, RDW red blood cell distribution width, BISAP bedside index for severity in acute pancreatitis, SOFA sequential organ failure assessment.
  3. *Covariables included in the PSM.
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