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Table 4 Changes in IBS-QOL total score from baseline in quake-unaffected areas or quake-affected areas and no-education or education group at years of 2010, 2011,2013 and 2015

From: Health education program improves QOL in students with irritable bowel syndrome after the Wenchuan earthquake: a five-year multi-center study

  No-education group Education group t P
n Mean SD n Mean SD
Quake-unaffected areas
 IBS-QOL Total Score(2010) 61 52.27 5.55 61 51.43 1.33 1.15 0.26
 IBS-QOL Total Score(2011) 60 62.06 3.11 61 74.12 1.79 −26.27 < 0.01*
 IBS-QOL Total Score(2013) 56 73.62 1.63 59 84.80 1.26 −42.38 < 0.01*
 IBS-QOL Total Score(2015) 52 80.53 1.43 57 93.67 1.17 −55.45 < 0.01*
Quake-affected areas
 IBS-QOL Total Score(2010) 217 51.02 2.37 216 50.64 1.66 1.98 > 0.05
 IBS-QOL Total Score(2011) 212 62.60 2.80 214 75.08 3.87 −38.85 < 0.01*
 IBS-QOL Total Score(2013) 192 64.85 2.30 197 85.23 1.94 −101.76 < 0.01*
 IBS-QOL Total Score(2015) 176 64.23 1.96 186 93.80 1.33 −188.10 < 0.01*
  1. *represents that the difference is statistically significant