Table 2 One year prevalence of CANS lasting for at least one week during the previous year
N | All Prevalence (95% CI) (n = 2210) | Males Prevalence (95% CI) (n = 1122) | Females Prevalence (95% CI) (n = 1088) | p value* | |
|---|---|---|---|---|---|
Region | |||||
Neck | 812 | 0.37 (0.35 to 0.39) | 0.35 (0.32 to 0.38) | 0.38 (0.35 to 0.41) | NS |
Shoulder & arm | 708 | 0.32 (0.30 to 0.34) | 0.28 (0.25 to 0.30) | 0.37 (0.34 to 0.40) | <0.001 |
Forearm & hands | 942 | 0.43 (0.41 to 0.45) | 0.42 (0.39 to 0.45) | 0.43 (0.40 to 0.46) | NS |
Severity | |||||
Mild cases | 854 | 0.39 (0.37 to 0.41) | 0.35 (0.33 to 0.38) | 0.42 (0.39 to 0.45) | <0.01 |
Severe cases | 404 | 0.18 (0.17 to 0.20) | 0.19 (0.17 to 0.22) | 0.17 (0.15 to 0.20) | NS |
Neck | |||||
Right | 188 | 0.08 (0.07 to 0.10) | 0.08 (0.07 to 0.10) | 0.09 (0.07 to 0.11) | NS |
Left | 78 | 0.03 (0.02 to 0.04) | 0.02 (0.01 to 0.03) | 0.05 (0.04 to 0.07) | <0.001 |
Both | 546 | 0.25 (0.23 to 0.26) | 0.25 (0.23 to 0.28) | 0.24 (0.22 to 0.27) | NS |
Shoulder and arm | |||||
Right | 142 | 0.06 (0.05 to 0.08) | 0.07 (0.05 to 0.08) | 0.06 (0.05 to 0.08) | NS |
Left | 125 | 0.06 (0.05 to 0.07) | 0.04 (0.03 to 0.06) | 0.07 (0.05 to 0.08) | <0.05 |
Both | 441 | 0.20 (0.18 to 0.22) | 0.16 (0.14 to 0.19) | 0.24 (0.21 to 0.26) | <0.001 |
Forearm and hands | |||||
Right | 336 | 0.15 (0.14 to 0.17) | 0.17 (0.15 to 0.20) | 0.13 (0.11 to 0.15) | <0.01 |
Left | 88 | 0.04 (0.03 to 0.05) | 0.04 (0.03 to 0.05) | 0.04 (0.03 to 0.05) | NS |
Both | 518 | 0.23 (0.22 to 0.25) | 0.21 (0.19 to 0.24) | 0.26 (0.23 to 0.29) | <0.01 |