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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 2 Proportions and confidence interval of PL–PH

From: Severe weather disasters to epidemics in China during low and high solar activities from 1 to 1911 Common Era

Area/province

PL

PH

(LB, UB) (80%)

Overall

0.1406

0.1254

(− 0.006, 0.036)

Coastal area

0.0703

0.0645

(− 0.010, 0.021)

Inland area

0.0794

0.0585

(0.005, 0.036)

Northern China

0.0658

0.0406

(0.011, 0.039)

Southern China

0.0782

0.0753

(− 0.014, 0.019)

Shandong province

0.0215

0.0131

(0.0004, 0.016)

Zhejiang province

0.0193

0.0335

(− 0.024, − 0.004)

  1. Bold numbers stand for meeting the statistical significance level of 0.10
  2. PL and PH are the proportions in LSA and HSA periods, respectively
  3. LB, and UB are lower bound and upper bound of 80% confident interval, respectively
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