Table 1 The ischemic heart disease incidence counts and rates before and after the 2016 Gyeongju earthquake
From: Exposure to earthquakes and development of ischemic heart disease
| Â | Monthly average incidence of IHD patients (N) | Age standardized monthly average incidence rate (/1,000,000 person) | Difference-in-difference estimates (95% confidence interval) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Gyeongju | Pohang | Gimpo | Jeonju | Gyeongju | Pohang | Gimpo | Jeonju | Gyeongju vs. Pohang | Gyeongju vs. Gimpo | Gyeongju vs. Jeonju | Pooled estimates |
Total | ||||||||||||
2014.09-2015.08 | 39.5 | 34.1 | 38.6 | 68.8 | 189.2 | 211.2 | 225.4 | 189.8 | Â | Â | Â | Â |
2015.09-2016.08 | 38.4 | 30.6 | 39.0 | 76.9 | 175.1 | 194.3 | 223.3 | 206.7 | 1.10 (0.91, 1.32) | 0.98 (0.82, 1.16) | 0.88 (0.75, 1.02) | 0.97 (0.86, 1.11) |
2016.09-2017.08 | 58.5 | 29.9 | 37.2 | 70.5 | 267.1 | 179.6 | 196.8 | 184.2 | 1.73 (1.44, 2.07)a | 1.58 (1.34, 1.88)a | 1.48 (1.28, 1.71)a | 1.58 (1.43, 1.73)a |
2017.09-2018.08 | 49.8 | 32.8 | 39.6 | 66.0 | 231.2 | 190.9 | 212.8 | 167.6 | 1.36 (1.13, 1.63)a | 1.28 (1.08, 1.52)a | 1.35 (1.17, 1.57)a | 1.33 (1.21, 1.46)a |
2018.09-2019.08 | 39.8 | 30.0 | 37.8 | 62.3 | 176.7 | 169.2 | 199.6 | 153.3 | 1.20 (0.99, 1.45) | 1.09 (0.91, 1.30) | 1.16 (0.99, 1.35) | 1.15 (1.04, 1.27)a |
Men | ||||||||||||
2014.09-2015.08 | 21.3 | 18.8 | 21.4 | 37.1 | 226.7 | 239.6 | 266.2 | 227.3 | Â | Â | Â | Â |
2015.09-2016.08 | 19.8 | 18.8 | 22.3 | 44.8 | 206.3 | 258.6 | 270.5 | 266.9 | 0.93 (0.74, 1.17) | 0.90 (0.71, 1.13) | 0.77 (0.63, 0.95) | 0.86 (0.75, 0.98) |
2016.09-2017.08 | 29.2 | 16.5 | 21.5 | 41.8 | 307.8 | 215.5 | 239.5 | 242.0 | 1.58 (1.26, 1.98)a | 1.40 (1.12, 1.74)a | 1.23 (1.01, 1.50)a | 1.38 (1.20, 1.60)a |
2017.09-2018.08 | 28.5 | 19.9 | 22.5 | 39.3 | 305.2 | 243.1 | 258.5 | 222.7 | 1.29 (1.04, 1.61)a | 1.32 (1.06, 1.65)a | 1.29 (1.06, 1.57)a | 1.30 (1.15, 1.47)a |
2018.09-2019.08 | 22.0 | 17.3 | 21.8 | 36.6 | 219.7 | 212.1 | 245.2 | 200.4 | 1.16 (0.92, 1.46) | 1.06 (0.84, 1.33) | 1.08 (0.88, 1.32) | 1.10 (0.97, 1.24) |
Women | ||||||||||||
2014.09-2015.08 | 18.2 | 15.3 | 17.2 | 31.7 | 151.7 | 178.9 | 186.8 | 155.6 | Â | Â | Â | Â |
2015.09-2016.08 | 18.7 | 11.8 | 16.7 | 32.2 | 144.3 | 137.2 | 179.0 | 152.6 | 1.36 (1.02, 1.82)a | 1.08 (0.83, 1.40) | 1.03 (0.81, 1.30) | 1.13 (0.97, 1.31) |
2016.09-2017.08 | 29.3 | 13.4 | 15.7 | 28.7 | 228.2 | 146.0 | 156.7 | 131.4 | 1.90 (1.45, 2.49)a | 1.83 (1.42, 2.35)a | 1.83 (1.46, 2.30)a | 1.85 (1.60, 2.13)a |
2017.09-2018.08 | 21.3 | 12.8 | 17.1 | 26.7 | 161.1 | 139.5 | 169.0 | 119.8 | 1.46 (1.10, 1.93)a | 1.24 (0.96, 1.60) | 1.45 (1.14, 1.83)a | 1.38 (1.19, 1.60)a |
2018.09-2019.08 | 17.8 | 12.8 | 16.0 | 25.7 | 136.0 | 127.7 | 157.5 | 111.3 | 1.25 (0.93, 1.66) | 1.12 (0.86, 1.46) | 1.27 (1.00, 1.62)a | 1.21 (1.04, 1.41)a |