Table 2.
Frequency (%) of key symptoms at least weekly and daily in the IBS-only, FMS-only and CFS-only groups (n = 900).
| Symptoms | IBS-only (n = 370) |
FMS-only (n = 384) |
CFS-only (n = 146) |
|||
|---|---|---|---|---|---|---|
| Daily | Weekly | Daily | Weekly | Daily | Weekly | |
| Stomach pain | 100 (27.0) | 291 (78.6) | 40 (10.4) | 201 (52.3) | 13 (8.9) | 62 (42.5) |
| Diarrhoea | 44 (11.9) | 250 (67.6) | 7 (1.8) | 125 (32.6) | 3 (2.1) | 41 (28.1) |
| Constipation | 31 (8.4) | 186 (50.3) | 34 (8.9) | 197 (51.3) | 9 (6.2) | 47 (32.2) |
| Pain increasing the day after you are active | 32 (8.6) | 119 (32.2) | 229 (59.6) | 361 (94.0) | 57 (39.0) | 125 (85.6) |
| Pain in legs and arms which is not due to hard exercise | 39 (10.5) | 109 (29.5) | 274 (71.4) | 364 (94.8) | 54 (37.0) | 105 (71.9) |
| Fatigue for no reason | 73 (19.7) | 230 (62.2) | 249 (64.8) | 366 (95.3) | 114 (78.1) | 140 (95.9) |
| Waking up still feeling tired | 134 (36.2) | 279 (75.4) | 303 (78.9) | 372 (96.9) | 114 (78.1) | 139 (95.2) |
IBS: irritable bowel syndrome; FMS: fibromyalgia syndrome; CFS: chronic fatigue syndrome.