Table 2. Analysis results by factors that apply the control performance index in 2022 compared to 2020.
(Unit : %, km)

si/gun/gu	the rate of change in the number of trees (%)	the rate of change in the area (%)	distance of change in pine wilt disease boundary area (km)	coefficient of change distance in pine wilt isease boundary area	Damage rating (2022)
Dong-gu, Daegu	969.9	1.1	1.7	1.3	slight
Seo-gu, Daegu	634.8	−64.4	0.6	1.1	slight
Buk-gu, Daegu	77.4	15.8	0.7	1.1	mild
Suseong-gu, Daegu	-	-		-	slight
Dalseo-gu, Daegu	457.7	71.6	0.7	1.1	slight
Dalseong-gun, Daegu	111.5	−27.9	−0.6	0.9	mild
Nam-gu, Pohang	−25.9	−44.9	−1.7	0.7	moderate
Buk-gu, Pohang	−17.6	−22.5	−4.2	0.7	moderate
Gyeongju-si	−34.4	−35.0	−1.0	0.8	moderate
Gimcheon-si	43.6	21.9	2.4	1.3	mild
Andong-si	−30.2	−24.4	0.8	1.1	moderate
Gumi-si	−23.4	−9.9	0.1	1.0	moderate
Yeongju-si	2235.9	68.2	4.2	1.3	slight
Yeongcheon-si	62.8	−44.7	3.5	1.3	slight
Sangju-si	75.6	10.1	5.0	1.3	mild
Mungyeong-si	-	-	신규	1.3	slight
Gyeongsan-si	46.5	165.4	1.3	1.2	slight
Gunwi-gun	48.5	12.6	2.1	1.3	mild
Uiseong-gun	−15.6	−38.6	2.2	1.3	slight
Yeongdeok-gun	233.7	60.2	−0.2	1.0	mild
Cheongdo-gun	−23.6	−9.1	−4.1	0.7	mild
Goryeong-gun	24.8	−1.5	2.6	1.3	mild
Seongju-gun	9.5	−20.3	5.8	1.3	mild
Chilgok-gun	−14.7	−6.5	0.3	1.0	mild
Yecheon-gun	2810.3	−29.8	7.4	1.3	slight
Bongwa-gun	111.1	−80.4	4.9	1.3	slight