# Table 2 Change in VAS and ASES after one year according to (a) number of consultations and b) duration of symptoms before index visit

a) Index, mean (SD) Follow-up, mean (SD) Change, mean (95% CI) p*
Group A B A B A B
ASES 66.5 (17.3) 56.7 (19.6) 72.7 (19.4) 69.0 (24.6) 6.2 (-1.0 to 13.4) 12.3 (5.6 to 18.9) 0.26
VAS, mm 33.9 (25.6) 40.3 (25.1) 28.8 (24.2) 29.3 (28.3) -5.1 (-14.4 to 4.3) -11.0 (-18.9 to -3.0) 0.37
b) Index, mean (SD) Follow-up, mean (SD) Change, mean (95% CI) p*
Group C D C D C D
ASES 60.6 (20.2) 59.0 (18.8) 74.6 (21.1) 67.5 (22.8) 14.0 (5.0 to 23.0) 8.5 (2.9 to 14.4) 0.28
VAS, mm 38.5 (25.9) 39.2 (23.8) 23.1 (22.3) 33.4 (29.0) -15.4 (-26.2 to -4.6) -5.8 (-12.4 to 0.7) 0.12
1. a) Not consulted before the index visit (group A), one or more consultations before the index visit (group B); n (ASES) = 27 (A) and 56 (B); n (VAS) = 28 (A) and 57 (B).
2. b) Duration of symptoms ≤6 months (group C) and > 6 months (group D) before index visit; n (ASES) = 37 (C) and 43 (Group D); n (VAS) = 38 (C) and 44 (D).
3. *Between groups.