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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)