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. 2009 Nov;7(6):527–533. doi: 10.1370/afm.1051

Table 3.

Complication Rates of Abortion for Physicians by Previous Procedures Completed and Practice Type

Characteristic Uncomplicated Procedures No. (%) Complications No. (%) χ2 (df) PValue
Physician experience
Aspiration (n=1,149)
    <50 420 (96.8) 14 (3.2) 0.946 (3) .814
    50–99 235 (95.9) 10 (4.2)
    100–999 266 (96.7) 9 (3.3)
    ≥1,000 188 (96.4) 7 (3.6)
Medication (n=1,309)
    <50 704 (96.3) 27 (3.7) 2.337 (3) .505
    50–99 246 (98.0) 5 (2.0)
    100–999 290 (95.7) 13 (4.3)
    ≥1,000 23 (95.8) 1 (4.2)
Practice type
Aspiration (n=1,149)
    Residency 93 (95.9) 4 (4.1) 0.072 (1) .782
    Private office 1,012 (96.2) 40 (3.8)
Medication (n=1,309)
    Residency 336 (96.6) 12 (3.4) 0.006 (1) .940
    Private office 927 (96.5) 34 (3.5)

df=degrees of freedom.

Note: Attribution of physician was determined based on the initial physician assignment and not to a supervising/training physician even if a supervisor intervened in the course of a procedure.