Table 2 Relationships of cervical disc surgery with shoulder tendonitis/capsulitis during the 6-month follow-up period for patients who underwent cervical disc surgery and comparison patients (n = 9750).

From: Increased Risk for Adhesive Capsulitis of the Shoulder following Cervical Disc Surgery

Presence of shoulder tendonitis/capsulitis

Total sample

Patients who underwent cervical disc surgery

Comparison patients

No.

%

No.

%

No.

%

Six-month follow-up period

 Yes

125

1.28

30

1.85

95

1.17

 Incidence rate per 100 person-years (95% CI)

2.56 (2.13~3.06)

3.69 (2.49~5.27)

2.33 (1.89~2.86)

  1. CI, confidence interval.