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Table 2 Prevalence of CANS during the previous year that lasted at least one week

From: Complaints of the arm, neck and shoulder among computer office workers in Sudan: a prevalence study with validation of an Arabic risk factors questionnaire

Complaint Total number of
subjects with
complaints
Total
Prevalence (95% CI)
(n = 250)
Male
Prevalence (95% CI)
(n = 163)
Female
Prevalence (95% CI)
(n = 87)
Neck complaints 161 0.64(0.58 to 0.70) 0.65 (0.57 to 0.72) 0.63 (0.52 to 0.73)
Shoulder complaints 103 0.41 (0.35 to 0.47) 0.37 (0.29 to 0.44) 0.48 (0.37 to 0.58)
Upper arm complaints 82 0.32 (0.26 to 0.38) 0.26 (0.19 to 0.33) 0.44 (0.34 to 0.55)
Elbow complaints 48 0.19 (0.14 to 0.24) 0.16(0.10 to 0.22) 0.24 (0.14 to 0.33)
Lower arm complaints 53 0.21 (0.16 to 0.26) 0.19 (0.12 to 0.25) 0.25 (0.15 to 0.34)
Wrist complaints 74 0.29 (0.23 to 0.35) 0.24(0.17 to 0.31) 0.43(0.33 to 0.54)
Hand complaints 77 0.30 (0.25 to 0.36) 0.23 (0.17 to 0.30) 0.39 (0.28 to 0.49)
Mild cases 133 0.53 (0.48 to 0.60) 0.51 (0.42 to 0.59) 0.58 (0.47 to 0.68)
Severe cases 9 0.04 (0.07 to 0.17) 0.33 (0.30 to 0.47) 0.66 (0.53 to 0.74)