Number of Times in 50 Samples With Diagnostic Cluster Visit Prevalence Estimates <1%, by Sampling Period
| Diagnostic Cluster | Winter-Summer No. (%) | Spring-Fall No. (%) |
|---|---|---|
| Anxiety | 5 (10) | 4 (8) |
| Coronary artery disease | 0 (0) | 10 (20) |
| Chronic obstructive pulmonary disease | 0 (0) | 1 (2) |
| Contact dermatitis | 5 (10) | 0 (0) |
| Neck pain | 5 (10) | 2 (4) |
| Pregnancy | 0 (0) | 8 (16) |
| Hypothyroidism | 4 (8) | 7 (14) |
| Urinary tract infection | 1 (2) | 0 (0) |
| Headache | 1 (2) | 0 (0) |
| Diagnostic clusters with a visit prevalence <1%, total No. | 21 | 32 |
| Samples with at least 1 diagnosis with a visit prevalence <1%, total No. | 20 | 24 |
| Diagnostic clusters per sample with a visit prevalence <1%, mean No. (SD) | 0.80 (SD 1.01) | 1.12 (SD 1.26) |