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. 2012 Jul 23;9(6):424–434. doi: 10.7150/ijms.4444

Table 1.

Baseline demographic characteristics.

Group 1
(60)
Group II
(60)
P value
Sex Male 47% (28) 42% (25) 0.581
Female 53% (32) 58% (35)
Age Mean ± SD 46.2 ± 10.3 45.6 ± 10.4 0.738
Weight Mean ± SD 208.9 ± 53.3 168.1 ± 35.2 0.000
Height Mean ± SD 67.3 ± 4.4 66.3 ± 4.0 0.199
Duration of Pain (months) Mean ± SD 118.3 ± 98.6 91.9 ± 94.5 0.137
Onset of the Pain Gradual 53% (32) 52% (31) 0.855
Injury 47% (28) 48% (29)
Neck Pain Distribution Neck pain only 15% (9) 17% (10) 0.975
Neck pain worse than upper extremity 57% (34) 55% (33)
Upper extremity worse than neck pain 8% (5) 7% (4)
Both equal 20% (12) 22% (13)
Disc Herniation Levels
(at multiple levels)
C3/4 13% (8) 13% (8) NA
C4/5 30% (18) 20% (12)
C5/6 50% (30) 60% (36)
C6/7 40% (24) 47% (28)
C7/T1 10% (6) 12% (7)
Numeric Rating Score Mean ± SD 7.9 ± 1.0 7.9 ± 0.9 1.000
Neck Disability Index Mean ± SD 29.6 ± 5.3 29.2 ± 6.1 0.678