| 2006 | 2007 | |||
---|---|---|---|---|---|
 | PCP a n (%) | PED b n (%) | PCP n (%) | PED n (%) | OB/GYN c n (%) |
Sample size | 1000 (80) | 250 (20) | 1000 (66.6) | 250 (16.6) | 250 (16.6) |
Sex | Â | Â | Â | Â | Â |
   Male | 720 (72) | 127 (51) | 690 (69) | 167 (67) | 100 (40) |
   Female | 280 (28) | 122 (49) | 310 (31) | 83 (33) | 150 (60) |
Age (average) | 44.2 | 45.0 | 44.1 | 44.4 | 45.2 |
Years in Practice (average) | 13.7 | 14.9 | 13.5 | 14.9 | 14.5 |
Region | Â | Â | Â | Â | Â |
   NE | 240 (24) | 40 (16) | 240 (24) | 71 (29) | 67 (27) |
   North Central | 220 (22) | 75 (30) | 250 (25) | 52 (21) | 57 (23) |
   South | 320 (32) | 80 (32) | 300 (30) | 75 (30) | 85 (34) |
   West | 220 (22) | 52 (21) | 210 (21) | 52 (21) | 42 (17) |
Number of patients per week (average) | 121.0 | 124.8 | 123.0 | 109.5 | 119.6 |
Number of physicians in group (average) | 12.8 | 8.9 | 18.0 | 11.6 | 12.0 |
Have you ever diagnosed a patient with CFS? | 521 (52) | 50 (20) | 471 (47) | 41 (16) | 24 (10) |