Table 2 Patient demographic and clinical data.

From: The impact of over-distraction on adjacent segment pathology and cage subsidence in anterior cervical discectomy and fusion

Number of patients

145

Age (years)

53.7 ± 11.9

Sex (M/F)

88/57

Total fused levels

206

Follow-up length (months)(SD)

32 ± 17

Neurological symptoms

 

 Myelopathy

53/145 (37%)

 Radiculopathy

92/145 (63%)

Fused levels

 

 1

84/145 (58%)

 2

61/145 (32%)

Cage materials

 

 TM

48/145 (67%)

 PEEK

97/145 (33%)

 Successful fusion

128/145 (88%)

 RASP

49/145 (34%)

 CASP

7/145 (5%)

 Cage subsidence

58/145 (40%)

JOA score (SD)

 

 Preoperative

11.5 ± 2.1

 Postoperative

13.8 ± 2.0

 Final follow-up

14.4 ± 2.0

  1. Age, follow-up length, and JOA scores were presented as mean ± standard deviation.
  2. M: male; F: female; RASP: radiological adjacent segment pathology; CASP: clinical adjacent segment pathology; JOA score: Japanese Orthopedic Association score.
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