Ann Clin Microbiol 2020;23:181-189. The Trend of Clostridioides difficile Infection in Korean Hospitals with the Analysis of Nationwide Sample Cohort

Table 3. The number and rates of C. difficile infections by healthcare facility characteristics
CharacteristicCases No. (Infection rate, %)
Year2006200720082009201020112012201320142015TotalP-value*
Location            
Seoul4 (0.028)18 (0.107)16 (0.090)25 (0.131)28 (0.138)31 (0.143)056 (0.248)052 (0.234)047 (0.215)062 (0.279)339 (0.170)<.0001
Busan2 (0.043)002 (0.035)07 (0.114)11 (0.162)09 (0.125)012 (0.153)012 (0.151)012 (0.143)025 (0.286)092 (0.133)0.0011
Daegu016 (0.153)07 (0.169)11 (0.246)16 (0.317)08 (0.150)014 (0.251)012 (0.218)021 (0.377)026 (0.443)121 (0.248)0.0038
Incheon0001 (0.035)01 (0.031)04 (0.110)05 (0.126)009 (0.213)010 (0.216)012 (0.251)014 (0.279)056 (0.150)<.0001
Gwangju002 (0.071)03 (0.094)02 (0.059)09 (0.234)09 (0.209)013 (0.277)008 (0.172)008 (0.161)017 (0.342)071 (0.181)0.0044
Daejeon2 (0.101)02 (0.088)04 (0.163)09 (0.340)07 (0.244)11 (0.382)006 (0.194)007 (0.228)008 (0.258)020 (0.565)076 (0.273)0.0267
Ulsan0002 (0.135)01 (0.063)01 (0.060)01 (0.058)002 (0.098)003 (0.152)005 (0.241)009 (0.435)024 (0.139)0.0046
Gyeonggi-do4 (0.043)01 (0.009)08 (0.064)14 (0.105)21 (0.144)28 (0.181)027 (0.161)042 (0.249)045 (0.252)048 (0.261)238 (0.162)<.0001
Gangwon-do002 (0.105)01 (0.049)06 (0.281)02 (0.088)01 (0.041)004 (0.151)005 (0.191)006 (0.233)007 (0.272)034 (0.149)0.0368
Chungcheongbuk-do1 (0.079)01 (0.069)01 (0.065)04 (0.233)03 (0.150)04 (0.184)005 (0.216)003 (0.132)007 (0.290)006 (0.236)035 (0.178)0.0106
Chungcheongnam-do00001 (0.050)03 (0.136)06 (0.254)008 (0.319)012 (0.502)007 (0.306)008 (0.329)045 (0.211)0.0006
Jeollabuk-do003 (0.104)04 (0.138)04 (0.129)09 (0.257)06 (0.159)016 (0.434)017 (0.455)020 (0.506)020 (0.495)099 (0.292)<.0001
Jeollanam-do00002 (0.044)05 (0.103)07 (0.144)006 (0.121)013 (0.267)008 (0.162)014 (0.265)055 (0.121)0.0001
Gyeonsangbuk-do2 (0.080)02 (0.071)06 (0.197)04 (0.124)07 (0.207)07 (0.197)006 (0.165)009 (0.249)011 (0.289)016 (0.405)070 (0.209)0.0007
Gyeongsangnam-do2 (0.057)03 (0.072)02 (0.044)02 (0.040)09 (0.162)12 (0.207)020 (0.317)018 (0.287)013 (0.196)017 (0.246)098 (0.179)0.0036
Jeju-do00002 (0.306)02 (0.256)01 (0.136)006 (0.659)009 (0.886)006 (0.567)006 (0.619)032 (0.405)0.0017
Size of city            
Metropolis4 (0.028)18 (0.107)16 (0.090)25 (0.131)28 (0.138)31 (0.143)056 (0.248)052 (0.234)047 (0.215)062 (0.279)339 (0.170)<.0001
Big city4 (0.025)10 (0.053)19 (0.096)31 (0.144)48 (0.201)43 (0.169)056 (0.204)052 (0.187)066 (0.229)111 (0.367)440 (0.184)0.0001
Small town9 (0.039)12 (0.044)22 (0.074)37 (0.117)52 (0.148)63 (0.170)085 (0.215)115 (0.290)111 (0.268)123 (0.287)629 (0.181)<.0001
Rural area00002 (0.051)09 (0.221)09 (0.216)013 (0.310)013 (0.322)012 (0.289)019 (0.453)077 (0.199)<.0001
Healthcare facility type            
Referral hospital8 (0.050)27 (0.148)28 (0.142)50 (0.227)57 (0.249)53 (0.220)086 (0.339)098 (0.396)081 (0.336)114 (0.448)602 (0.270)<.0001
General hospital8 (0.036)13 (0.051)24 (0.087)31 (0.113)63 (0.207)74 (0.235)105 (0.320)101 (0.306)120 (0.347)155 (0.448)694 (0.231)<.0001
Hospital (Mental hospital included)1 (0.006)00 (0.000)05 (0.022)09 (0.035)15 (0.052)15 (0.048)019 (0.055)031 (0.090)026 (0.072)040 (0.107)161 (0.056)<.0001
LTCH00005 (0.437)02 (0.161)04 (0.325)0002 (0.142)009 (0.578)006 (0.285)028 (0.185)0.1019

*P-value: the difference over 10 years (2006-2015).
Abbrevation: LTCH, long-term care hospital.