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. 2022 Sep 12;17(9):e0273637. doi: 10.1371/journal.pone.0273637

Table 2. Number of male and female suicides per month during the COVID-19 pandemic in Korea.

Men Women
Observed Expected (95% CI) OER (95% CI) Observed Expected (95% CI) OER (95% CI)
Feb 714 753.84 (602.94–907.40) 0.95 (0.88–1.02) 279 289.99 (197.48–377.51) 0.96 (0.85–1.07)
Mar 783 796.02 (639.15–944.73) 0.98 (0.91–1.05) 366 314.10 (230.87–402.58) 1.17 (1.05–1.28)
Apr 764 812.96 (664.94–956.05) 0.94 (0.87–1.01) 356 310.28 (217.86–400.68) 1.15 (1.03–1.27)
May 791 847.27 (703.44–998.12) 0.93 (0.87–1.00) 361 327.66 (237.80–411.82) 1.10 (0.99–1.22)
Jun 761 774.45 (628.74–915.65) 0.98 (0.91–1.05) 374 309.65 (220.11–396.87) 1.21 (1.09–1.33)
Jul 849 881.98 (752.26–1,024.15) 0.96 (0.90–1.03) 379 320.80 (238.81–410.32) 1.18 (1.06–1.30)
Aug 810 833.53 (686.18–977.81) 0.97 (0.90–1.04) 375 315.40 (229.32–401.42) 1.19 (1.07–1.31)
Sep 685 770.31 (625.85–925.09) 0.89 (0.82–0.96) 335 276.24 (191.23–356.64) 1.21 (1.08–1.34)
Oct 795 728.10 (587.92–880.08) 1.09 (1.02–1.17) 352 299.22 (207.24–386.25) 1.18 (1.05–1.30)
Nov 715 774.86 (624.23–924.99) 0.92 (0.86–0.99) 346 372.46 (277.15–460.37) 0.93 (0.83–1.03)
Dec 655 680.92 (527.01–838.26) 0.96 (0.89–1.04) 258 282.94 (195.56–369.58) 0.91 (0.80–1.02)

Bold indicates a statistically significant OER with a 95% CI that excludes the null value of 1.00.

Abbreviations: OER, Observed-to-Expected Ratio; CI, Confidence Interval.