Table 3 The single day lag effects of extreme apparent temperature at different lag day(s) with the reference of the Minimum Admission Apparent Temperature (MAAT), by different chest pain categories.

From: Associations of apparent temperature with acute cardiac events and subtypes of acute coronary syndromes in Beijing, China

 

All-cause chest pain

Acute cardiac events

ACS

NSTE-ACS

STEMI

Cold effect

Heat effect

Cold effect

Heat effect

Cold effect

Heat effect

Cold effect

Heat effect

MAAT, °C (percentile)

23 (70.8)

22 (69)

−10 (4.3)

34 (97.5)

−11 (2.5)

lag0

0.68a

(0.484, 0.955)

1.266

(0.987, 1.623)

0.624

(0.437, 0.891)

1.352a

(1.03, 1.775)

0.969

(0.938, 1.001)

1.985a

(1.124, 3.506)

1.112

(0.52, 2.379)

5.223a

(2.143, 12.727)

lag1

1.336a

(1.088, 1.640)

0.792a

(0.676, 0.927)

1.440a

(1.159, 1.790)

0.841a

(0.709, 0.998)

1.034a

(1.010, 1.059)

0.666a

(0.476, 0.933)

1.511

(0.958, 2.382)

0.633

(0.373, 1.075)

lag2

1.218a

(1.053, 1.407)

0.838a

(0.749, 0.937)

1.236a

(1.060, 1.440)

0.835a

(0.74, 0.943)

1.018a

(1.002, 1.035)

0.712a

(0.56, 0.904)

1.333

(0.968, 1.835)

0.675a

(0.462, 0.985)

lag3

0.977

(0.886, 1.079)

0.983

(0.903, 1.07)

0.919

(0.828, 1.02)

0.934

(0.852, 1.024)

0.993

(0.982, 1.003)

0.965

(0.814, 1.142)

1.107

(0.882, 1.391)

1.105

(0.849, 1.439)

lag4

0.918

(0.824, 1.022)

1.053

(0.963, 1.152)

0.856

(0.764, 0.96)

0.992

(0.900, 1.093)

0.987

(0.975, 0.999)

1.084

(0.903, 1.301)

1.019

(0.795, 1.307)

1.26

(0.949, 1.673)

lag5

0.945

(0.872, 1.025)

1.065

(0.997, 1.138)

0.909

(0.834, 0.989)

1.017

(0.946, 1.093)

0.993

(0.984, 1.001)

1.087

(0.949, 1.246)

1.001

(0.831, 1.204)

1.165

(0.945, 1.437)

lag6

0.999

(0.94, 1.061)

1.054a

(1.003, 1.107)

0.995

(0.934, 1.06)

1.027

(0.973, 1.084)

1.001

(0.995, 1.007)

1.05

(0.949, 1.163)

1.006

(0.877, 1.154)

1.024

(0.877, 1.196)

lag7

1.039

(0.974, 1.109)

1.042

(0.989, 1.098)

1.061

(0.991, 1.135)

1.032

(0.975, 1.092)

1.006a

(1, 1.013)

1.024

(0.919, 1.14)

1.011

(0.875, 1.169)

0.942

(0.798, 1.111)

lag8

1.065

(0.992, 1.142)

1.032

(0.975, 1.092)

1.100a

(1.022, 1.184)

1.034

(0.972, 1.099)

1.009a

(1.002, 1.017)

1.008

(0.897, 1.133)

1.015

(0.867, 1.187)

0.906

(0.757, 1.085)

lag9

1.076a

(1.004, 1.153)

1.023

(0.968, 1.081)

1.115a

(1.037, 1.198)

1.033

(0.973, 1.096)

1.010a

(1.003, 1.017)

1.002

(0.895, 1.123)

1.017

(0.873, 1.185)

0.906

(0.76, 1.08)

lag10

1.076a

(1.011, 1.144)

1.014

(0.966, 1.065)

1.108a

(1.038, 1.182)

1.029

(0.976, 1.085)

1.009a

(1.002, 1.015)

1.004

(0.907, 1.111)

1.018

(0.888, 1.167)

0.935

(0.8, 1.094)

lag11

1.065a

(1.007, 1.128)

1.007

(0.962, 1.053)

1.084a

(1.022, 1.15)

1.024

(0.975, 1.075)

1.006a

(1, 1.011)

1.012

(0.923, 1.11)

1.018

(0.9, 1.152)

0.991

(0.86, 1.143)

lag12

1.048

(0.983, 1.118)

1

(0.948, 1.054)

1.048

(0.98, 1.121)

1.017

(0.961, 1.077)

1.002

(0.996, 1.008)

1.025

(0.923, 1.138)

1.017

(0.884, 1.17)

1.071

(0.909, 1.262)

lag13

1.027

(0.94, 1.122)

0.993

(0.923, 1.069)

1.006

(0.917, 1.103)

1.01

(0.933, 1.093)

0.997

(0.989, 1.006)

1.041

(0.901, 1.202)

1.016

(0.837, 1.232)

1.173

(0.934, 1.472)

lag14

1.004

(0.889, 1.133)

0.986

(0.892, 1.091)

0.961

(0.847, 1.092)

1.002

(0.899, 1.117)

0.992

(0.98, 1.005)

1.058

(0.868, 1.291)

1.014

(0.777, 1.325)

1.292

(0.944, 1.77)

  1. ACS, Acute coronary syndrome; STEMI, ST-segment-elevation myocardial infarction; NSTE-ACS, Non-STEMI acute coronary syndrome.
  2. aRelative risk values are statistically significant.