Table 3.
Clinicodemographic variables according to presence of lateral epicondylitis
| Total (n = 1,777) | Subjects with lateral epicondylitis (n = 44) | Subjects without lateral epicondylitis (n = 1,733) | P value | |
|---|---|---|---|---|
| Age (years) | ||||
| 40–59 | 256 (14.4) | 9 (20.5) | 247 (14.3) | 0.360 |
| 60–69 | 675 (38.0) | 13 (29.5) | 662 (38.2) | |
| ≥70 | 846 (47.6) | 20 (50.0) | 824 (47.5) | |
| Sex | ||||
| Male | 774 (43.6) | 20 (45.5) | 754 (43.5) | 0.797 |
| Female | 1,003 (56.4) | 24 (54.5) | 879 (56.5) | |
| Occupational categories | ||||
| No occupation | 1,029 (57.9) | 23 (52.3) | 1,006 (58.1) | 0.933 |
| Nonmanual | 101 (5.7) | 3 (6.8) | 98 (5.6) | |
| Service | 187 (10.5) | 6 (13.6) | 181 (10.4) | |
| Manual | 333 (18.7) | 9 (20.5) | 324 (18.7) | |
| Other | 127 (7.1) | 3 (6.8) | 124 (7.2) | |
| Smoking status | ||||
| Never | 1,115 (62.7) | 26 (59.1) | 1,089 (62.8) | 0.848 |
| Past | 460 (25.9) | 13 (29.5) | 447 (25.8) | |
| Current | 202 (11.4) | 5 (11.4) | 197 (11.4) | |
| Alcohol consumption | ||||
| Never | 548 (30.8) | 16 (36.4) | 532 (30.7) | 0.542 |
| Every day | 451 (25.4) | 13 (29.5) | 438 (25.3) | |
| Sometimes | 332 (18.7) | 5 (11.4) | 327 (18.9) | |
| Rarely | 446 (25.1) | 10 (22.7) | 436 (25.4) | |
| Obesity | ||||
| Normal (BMI <25) | 1,124 (63.3) | 24 (54.5) | 1,100 (63.5) | 0.225 |
| Overweight (BMI ≥25) | 653 (36.7) | 20 (45.5) | 633 (36.5) | |
| Abdominal circumference (cm) | ||||
| Normal | 1,141 (64.2) | 27 (61.4) | 1,114 (64.3) | 0.690 |
| Abnormal | 636 (35.8) | 17 (38.6) | 619 (35.7) | |
| Mets | ||||
| No | 1,458 (82.0) | 34 (77.3) | 1,424 (82.2) | 0.403 |
| Yes | 319 (18.0) | 10 (22.7) | 309 (17.8) | |
| Hypertension | ||||
| Normal | 485 (27.3) | 12 (27.3) | 473 (27.3) | 0.923 |
| Borderline | 529 (29.8) | 12 (27.3) | 517 (29.8) | |
| Definite | 763 (42.9) | 20 (45.4) | 743 (42.9) | |
| Hyperlipidemia | ||||
| Normal | 1,188 (66.9) | 30 (68.2) | 1,158 (66.8) | 0.850 |
| Definite | 589 (33.1) | 14 (31.8) | 575 (33.2) | |
| Chronic hyperglycemia | ||||
| Favorable control (HbA1C <5.5) | 1,181 (66.5) | 23 (52.3) | 1,158 (66.8) | 0.025 |
| Suspected (5.5 ≤ HbA1C < 6.4) | 498 (28.0) | 15 (34.1) | 483 (27.9) | |
| Definite (HbA1C ≥6.5) | 98 (5.5) | 6 (13.6) | 92 (5.3) | |
| Subjective outcome, mean (SD) | ||||
| The QuickDASH | 8.7 (11.3) | 15.0 (12.7) | 8.5 (11.1) | <0.001 |
| SF-12 | ||||
| PCS | 32.2 (12.2) | 29.9 (12.1) | 32.3 (12.2) | 0.209 |
| MCS | 45.8 (9.1) | 43.8 (9.5) | 45.8 (9.1) | 0.144 |
BMI body mass index, Mets metabolic syndrome, SBP systolic blood pressure, DBP diastolic blood pressure, HDL-C high density lipoprotein cholesterol, LDL-C low density lipoprotein cholesterol, TG triglyceride, HbA1c hemoglobin A1c, DASH disabilities of arm, shoulder and hand, SF-12 short form 12, PCS physical component summary, MCS mental component summary, SD standard deviation.