Table 1.
Characteristics of the population and comparison by gender.
| Females | Males | Population | P value | |
|---|---|---|---|---|
| n = 108 | n = 43 | n = 151 | ||
| Age (years old) | 37.1 ± 12.2 | 43.2 ± 12.4 | 38.9 ± 12.5 | 0.007 |
| Right hander | 95 (88) | 41 (95.4) | 136 (90.1) | 0.171 |
| Height (cm) | 164 ± 10 | 177 ± 100 | 167 ± 11 | 0.001 |
| Weight (kg) | 61.9 ± 21.2 | 64.0 ± 23.5 | 62.5 ± 21.8 | 0.589 |
| Right systolic blood pressure (mmHg) | 125 ± 15 | 128 ± 13 | 126 ± 14 | 0.335 |
| Right diastolic blood pressure (mmHg) | 73 ± 17 | 73 ± 24 | 73 ± 19 | 0.948 |
| Left systolic blood pressure (mmHg) | 122 ± 23 | 130 ± 13 | 124 ± 21 | 0.128 |
| Left diastolic blood pressure (mmHg) | 71 ± 24 | 71 ± 24 | 71 ± 24 | 0.983 |
| Active smoker | 38 (35.2) | 26 (60.5) | 64 (42.4) | 0.002 |
| History of chest, shoulder, or arm trauma or surgery | 46 (42.6) | 23 (53.5) | 69 (45.7) | 0.225 |
| Pain killers on a regular basis | 54 (50) | 19 (44.2) | 73 (48.3) | 0.519 |
| DASH score | 92 ± 43 | 81 ± 43 | 89 ± 43 | 0.008 |
| Already had physiotherapy at the date of referral | 85 (78.7) | 26 (60.5) | 111 (73.5) | 0.022 |
| Normal Doppler | 51 (47.2) | 0 (0.0) | 51 (33.8) | 0.001 |
| Doppler positive for arterial compression on the right side | 37 (34.3) | 25 (58.1) | 62 (41.1) | 0.007 |
| Doppler positive for arterial compression on the left side | 39 (36.1) | 23 (53.5) | 62 (41.1) | 0.051 |
| Doppler positive for venous compression on the right side | 3 (2.8) | 33 (76.7) | 36 (23.8) | 0.001 |
| Doppler positive for venous compression on the left side | 0 (0.0) | 35 (81.4) | 35 (23.2) | 0.001 |
| Pain on the right side | 43 (39.8) | 20 (46.5) | 63 (41.7) | 0.451 |
| Pain on the left side | 46 (42.6) | 21 (48.8) | 67 (44.4) | 0.485 |
| Fatigability on the right side | 28 (25.9) | 21 (48.8) | 49 (32.5) | 0.007 |
| Fatigability on the left side | 33 (30.6) | 24 (55.8) | 57 (37.7) | 0.004 |
| Weakness/heaviness on the right side | 30 (27.8) | 12 (27.9) | 42 (27.8) | 0.987 |
| Weakness/heaviness on the left side | 27 (25.0) | 14 (32.6) | 41 (27.2) | 0.346 |
| Paresthesia on the right side | 36 (33.3) | 18 (41.9) | 54 (35.8) | 0.324 |
| Paresthesia on the left side | 39 (36.1) | 20 (46.5) | 59 (39.1) | 0.237 |
| Peak PPG on the right side (arbitrary units, AU) | 13.1 ± 8.3 | 15.1 ± 11.1 | 13.7 ± 9.2 | 0.010 |
| Peak PPG on the left side (AU) | 13.1 ± 8.1 | 14.2 ± 10.6 | 13.4 ± 9.0 | 0.001 |
Results are mean ± standard deviation or number (percentages).