The impact of overlapping functional dyspepsia, belching disorders and functional heartburn on anxiety, depression and quality of life of Chinese patients with irritable bowel syndrome

Table 2 Psychological factor and health-related quality of life according to the symptom overlap of FD, BD and FH in IBS patients

subgroup	N	Anxiety	Depression	MCS	PCS	SF-36
IBS only	150	8.31 ± 3.09	6.15 ± 3.62	61.47 ± 21.38	63.73 ± 16.22	62.60 ± 17.16
IBS + FD	61	9.21 ± 3.70	7.44 ± 4.05^a	52.02 ± 23.63^a	55.48 ± 17.88^a	53.75 ± 19.15^a
IBS + BD/FH	41	7.76 ± 3.34^b	6.10 ± 4.19	59.17 ± 23.54	61.24 ± 18.39^c	60.20 ± 19.67^c
IBS + FD + BD/FH	67	8.61 ± 3.55	6.73 ± 3.26	51.59 ± 21.65^a	53.21 ± 17.87^a	52.40 ± 18.42^a
IBS only	150	8.31 ± 3.09	6.15 ± 3.62	61.47 ± 21.38	63.73 ± 16.22	62.60 ± 17.16
IBS + BD	26	7.73 ± 3.67	5.85 ± 3.94	61.91 ± 23.56	61.18 ± 17.95	61.54 ± 19.47^d
IBS + FD/FH	75	9.04 ± 3.53	7.07 ± 3.97	52.09 ± 23.93^a	55.89 ± 18.09^a	53.99 ± 19.53^a
IBS + BD + FD/FH	68	8.50 ± 3.57	6.96 ± 3.56	52.05 ± 21.12^a	54.09 ± 18.22^a	53.07 ± 18.27^a
IBS only	150	8.31 ± 3.09	6.15 ± 3.62	61.47 ± 21.38	63.73 ± 16.22	62.60 ± 17.16
IBS + FH	8	8.25 ± 2.87	3.75 ± 3.28	60.17 ± 25.30	62.91 ± 19.56	61.54 ± 21.21
IBS + FD/BD	133	8.84 ± 3.66	6.88 ± 3.79^e	54.65 ± 22.55^a	56.37 ± 17.53^a	55.51 ± 18.56^a
IBS + FH + FD/BD	28	7.68 ± 3.27	7.50 ± 3.74^e	46.65 ± 23.45^a	52.13 ± 20.53^a	49.39 ± 20.77^a

^aCompared with IBS only, P < 0.05
^bcompared with IBS + FD, P < 0.05
^ccompared with IBS + FD + BD/FH, P < 0.05
^dcompared with IBS + BD + FD/FH, P < 0.05
^ecompared with IBS + FH, P < 0.05
Abbreviations: IBS irritable bowel syndrome, FD functional dyspepsia, BD belching disorders, FH Functional heartburn, BD/FH BD and/or FH, FD/FH FD and/or FH, FD/BD FD and/or BD, MCS mental component summary, PCS physical component summary, SF-36 36-item Short-Form Health Survey

ISSN: 1471-230X