Table 4.
Comparison of absorbable pin fixation and metal radial head (historical controls)
| Parameter | Absorbable pin fixation (n = 12) | Metal radial heads (n = 9) | p Value |
|---|---|---|---|
| Gender | 1.000‡ | ||
| Males | 7 (58.3%) | 5 (55.6%) | |
| Females | 5 (41.7%) | 4 (44.4%) | |
| Mason type | 0.331‡ | ||
| III | 10 (83.3%) | 5 (55.6%) | |
| IV | 2 (16.7%) | 4 (44.4%) | |
| Age (years)* | 41.75 (27.91–55.59) | 56.11 (49.37–62.85) | 0.056§ |
| Followup (months)* | 82.33 (64.01–100.65) | 38.78 (32.36–45.19) | < 0.001§ |
| Flexion (degrees)* | 133.58 (127.63–139.53) | 140.00 (131.16–148.84) | 0.175§ |
| Loss of extension (degrees)† | 5.00 (0–13.75) | 8.00 (2.00–15.50) | 0.312
|
| Pronation (degrees)† | 80.00 (72.50–88.75) | 84.00 (73.00–87.50) | 0.829
|
| Supination (degrees)* | 78.33 (72.23–84.44) | 71.67 (64.23–79.10) | 0.135§ |
| Mayo score (points)† | 100 (88.75–100) | 83.00 (64.50–85.00) | 0.001
|
*Values expressed as means, with 95% confidence intervals in parentheses; †values expressed as medians, with interquartile ranges in parentheses; ‡Fisher’s exact test; §Student’s t-test; 
Mann-Whitney U test.