Table 4 Distribution of persistent complaints in different parts of the body of cutters , prevalence proportion ratio (PPR) and 95% confidence interval (CI), compared with joint group (n = 50)
From: The effects of a medical hypnotherapy on clothing industry employees suffering from chronic pain
|  | Cutters* (n = 50) | Reference groups (length of service, years) | ||||||
|---|---|---|---|---|---|---|---|---|
I (0–7) (n = 30) | II (8–15) (n = 12) | III (> 15) (n = 8) | ||||||
Number | % | Number | % | Number | % | Number | % | |
PPR | (95% CI) | PPR | (95% CI) | PPR | (95% CI) | |||
Neck | 27 | 54.0 | 9 | 30.0 | 10 | 83.3 | 8 | 100 |
0.55 | (0.35-0.75) | 1.54 | (0.67-2.41) | 1.85 | (0.56-3.13) | |||
Shoulder | 36 | 72.0 | 18 | 60.0 | 11 | 91.6 | 7 | 87.5 |
0.84 | (0.54-1.14) | 1.27 | (0.55-1.98) | 1,22 | (0.37-2.06) | |||
Elbow | 15 | 30.0 | 4 | 13.3 | 8 | 66.6 | 3 | 33.3 |
0.44 | (0.28-0.59) | 2.22 | (0.96-3.47) | 1.25 | (0.38-2.11) | |||
Wrist/hands | 24 | 48.0 | 6 | 20.0 | 10 | 83.3 | 8 | 100 |
0.42 | (0.27-0.57) | 1.73 | (0.75-2.71) | 2.08 | (0.64-3.52) | |||
Upper back | 8 | 16.0 | 0 | 0 | 5 | 41.6 | 3 | 37.5 |
0 | Â | 2.60 | (1.13-4.07) | 2.35 | (0.72-3.98) | |||
Low back | 7 | 14.0 | 0 | 0 | 2 | 16.6 | 5 | 62.5 |
0 | Â | 1.19 | (0.51-1.86) | 4.46 | (1.37-7.55) | |||
Hip/Thigh | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
0 | Â | 0 | Â | 0 | Â | |||
Knee | 13 | 26.0 | 1 | 3.3 | 6 | 50.0 | 7 | 87.5 |
0.13 | (0.08-0.17) | 1.92 | (0.83-3.00) | 3.38 | (1.03-5.72) | |||
Ankle/Shank/Feet | 22 | 44.1 | 11 | 36.6 | 9 | 75.0 | 2 | 25.0 |
1.00 | (0.64-1.36) | 2.05 | (0.89-3.20) | 0.68 | (0.21-1.15) | |||