Table 3.
Event | No. | Conventional | 24-Hour | Daytime | Nighttime |
---|---|---|---|---|---|
All cardiovascular | |||||
Women | 320 | 1.26 (1.12–1.42)‡ | 1.56 (1.39–1.74)‡ | 1.45 (1.29–1.61)‡ | 1.54 (1.38–1.71)‡ |
Men | 760 | 1.28 (1.19–1.38)‡ | 1.32 (1.23–1.40)‡ | 1.27 (1.19–1.36)‡ | 1.24 (1.17–1.31)‡ |
P | 0.95 | 0.020 | 0.11 | 0.0013 | |
Stroke | |||||
Women | 169 | 1.44 (1.24–1.67)‡ | 1.67 (1.44–1.94)‡ | 1.56 (1.34–1.81)‡ | 1.62 (1.40–1.88)‡ |
Men | 289 | 1.42 (1.26–1.60)‡ | 1.51 (1.36–1.67)‡ | 1.45 (1.30–1.61)‡ | 1.35 (1.24–1.47)‡ |
P | 0.98 | 0.30 | 0.52 | 0.045 | |
Cardiac | |||||
Women | 144 | 1.05 (0.87–1.26) | 1.47 (1.24–1.74)‡ | 1.35 (1.14–1.61)‡ | 1.45 (1.24–1.70)‡ |
Men | 465 | 1.24 (1.13–1.37)‡ | 1.24 (1.14–1.35)‡ | 1.22 (1.11–1.33)‡ | 1.19 (1.11–1.29)‡ |
P | 0.41 | 0.10 | 0.35 | 0.034 | |
Coronary | |||||
Women | 86 | 1.15 (0.91–1.46) | 1.51 (1.22–1.88)‡ | 1.46 (1.17–1.81)‡ | 1.44 (1.17–1.77)‡ |
Men | 357 | 1.15 (1.02–1.28)* | 1.18 (1.07–1.30)‡ | 1.19 (1.07–1.31)‡ | 1.12 (1.03–1.23)† |
P | 0.86 | 0.12 | 0.21 | 0.090 |
P indicates the significance of the sex difference in the HRs. No. refers to the number of fatal and nonfatal events. See the footnote to Table 2 for details.
Significance of the HRs:
P<0.05
P<0.01
P<0.001.