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. 2005 Mar 6;6:12. doi: 10.1186/1471-2474-6-12

Table 1.

Summary of study populations Mean, standard deviation (SD) and 95 % confidence interval (CI) for age, duration of symptoms and VISA-A-S score for the study populations.

Age (years) Duration of symptoms (months) VISA-A-S Score

Mean SD 95% CI Mean SD 95% CI Mean SD 95% CI
Healthy (n = 15, 3 F, 12 M) 29.5 4.3 27.1 – 31.9 N/A N/A N/A 96 4 94 – 99
Reliability Group
Patients (n = 22, 8 F, 14 M)
45.4 15.5 38.6 – 52.3 55.5 134.7 6.3 – 57.4 50 24 40 – 61
Validity Group
Patients (n = 51, 19 F, 32 M)
43.1 14.5 39.0 – 47.2 31.8 90.8 6.3 – 57.4 50 23 44 – 56

(N/A = not applicable, F = females, M = men)