Table 2 Clinical outcome.

From: Impact of underweight on 3-year all-cause mortality in patients with acute severe hypertension: a retrospective cohort study

 

Overall patients

(n = 4867)

Body mass index (kg/m2)

p value for trend

Underweight

(BMI < 18.5 kg/m2)

(n = 314)

Normal

(18.5 ≤ BMI ≤ 22.9 kg/m2)

(n = 1528)

Overweight

(23.0 ≤ BMI ≤ 24.9 kg/m2)

(n = 1026)

Obese class I

(25.0 ≤ BMI ≤ 29.9 kg/m2)

(n = 1530)

Obese class II + III

(BMI ≥ 30.0 kg/m2)

(n = 469)

Admission

3461 (71.11)

248 (78.98)

1120 (73.30)

732 (71.35)

1047 (68.43)

314 (66.95)

< 0.001

Death in the emergency department

1 (0.02)

0 (0.00)

1 (0.07)

0 (0.00)

0 (0.00)

0 (0.00)

0.345

Mortality

1-month mortality

196 (4.03)

36 (11.46)

79 (5.17)

28 (2.73)

38 (2.48)

15 (3.20)

< 0.001

3-month mortality

326 (6.70)

56 (17.83)

135 (8.84)

57 (5.56)

58 (3.79)

20 (4.26)

< 0.001

1-year mortality

602 (12.37)

99 (31.53)

255 (16.69)

103 (10.04)

112 (7.32)

33 (7.04)

< 0.001

3-year mortality

935 (19.21)

140 (44.59)

406 (26.57)

170 (16.57)

177 (11.57)

42 (8.96)

< 0.001

  1. Values are given as numbers (percentage).
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