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Table 5 Association between heart rate and unfavorable 3-month functional outcomes in the patients with a history of hypertension

From: Initial in-hospital heart rate is associated with three-month functional outcomes after acute ischemic stroke

HR subgroup

Number of events/at risk, %

Unadjusted

  

Multivariate-adjusted

  
  

OR

95% CI

P value

OR

95% CI

P value

Mean HR

 G1 (< 70 bpm)

97/424 (23)

1.00

Reference

…

1.00

Reference

…

 G2 (≥ 70 and < 80 bpm)

122/314 (39)

2.14

1.55 − 2.95

 < 0.001

1.80

1.18 − 2.73

0.006

 G3 (≥ 80 and < 90 bpm)

102/208 (49)

3.24

2.28 − 4.62

 < 0.001

2.35

1.47 − 3.76

 < 0.001

 G4 (≥ 90 bpm)

95/130 (73)

9.15

5.84 − 14.34

 < 0.001

2.96

1.51 − 5.81

0.002

 P for trend

   

 < 0.001

  

 < 0.001

HR-CV

 G1 (< 0.08)

99/310 (32)

1.00

Reference

…

1.00

Reference

…

 G2 (> 0.08 and < 0.10)

89/238 (37)

1.27

0.89 − 1.82

0.182

1.59

0.99 − 2.54

0.053

 G3 (≥ 0.10 and < 0.12)

69/170 (41)

1.46

0.99 − 2.15

0.058

1.40

0.81 − 2.40

0.227

 G4 (≥ 0.12)

159/358 (44)

1.70

1.24 − 2.34

0.001

1.73

1.11 − 2.70

0.015

 P for trend

   

0.010

  

0.086

  1. Abbreviations: HR heart rate, HR-CV the coefficient of variation of heart rate, CI confidence interval, OR odds ratio