Research productivity of general surgeons in Canada with graduate degree training, stratified by type of degree
| Metric | Median (IQR)* | p value | |||||
|---|---|---|---|---|---|---|---|
| PhD n = 49 | MSc n = 54 | MClinEpi n = 53 | MPH n = 24 | MEd n = 22 | Other n = 10 | ||
| No. of years worked between 2013–2018, mean (median, IQR) | 5.4 (6.0, 6.0–6.0) | 5.3 (6.0, 6.0–6.0) | 4.9 (6.0, 4.0–6.0) | 4.7 (6.0, 3.0–6.0) | 5.4 (6.0, 6.0–6.0) | 4.7 (6.0, 3.0–6.0) | MClinEpi v. PhD 0.759 All others > 0.999 |
| No. of papers in 6 years | 22.0 (8.0–34.5) | 8.5 (4.0–27.3) | 16.0 (6.0–29.0) | 9.0 (4.0–33.8) | 10.5 (2.8–25.3) | 10.0 (5.0–18.8) | MSc v. PhD 0.584 All others > 0.999 |
| No. of papers per year | 3.8 (1.7–6.9) | 1.8 (1.0–4.5) | 2.8 (1.4–6.4) | 3.1 (1.3–6.0) | 1.8 (0.6–5.2) | 2.3 (1.0–5.1) | MSc v. PhD 0.315 MEd v. PhD 0.723 All others > 0.999 |
| CiteScore | 5.1 (3.5–6.3) | 4.6 (3.6–5.8) | 4.5 (3.4–5.0) | 3.7 (2.3–4.7) | 3.7 (2.0–4.7) | 3.6 (2.6–4.4) | MClinEpi v. PhD 0.936 MPH v. PhD 0.040 MEd v. PhD 0.027 Other v. PhD 0.533 MPH v. MSc 0.304 MEd v. MSc 0.209 All others > 0.999 |
| No. of first authorships in 6 years | 1.0 (0–3.0) | 0 (0–1.3) | 2.0 (0–4.0) | 1.0 (0–2.8) | 1.0 (0–2.3) | 2.0 (0–4.5) | MSc v. PhD 0.076 MClinEpi v. MSc 0.007 Other v. MSc 0.641 MPH v. MClinEpi 0.978 All others > 0.999 |
| No. of last authorships in 6 years | 5.0 (1.0–8.0) | 2.0 (0.8–6.3) | 2.0 (0.5–6.5) | 1.5 (0–8.8) | 1.5 (0–7.3) | 2.0 (0–6.3) | MSc v. PhD 0.965 All others > 0.999 |
| No. of middle authorships in 6 years | 14.0(4.5–24.5) | 6.0 (2.8–18.5) | 9.0(2.0–19.5) | 5.5 (2.3–20.5) | 7.0 (0.8–18.0) | 4.0 (1.8–10.3) | Other v. PhD 0.804 All others > 0.999 |
| No. of citations per paper | 10.5 (6.0–15.0) | 10.5 (3.9–16.3) | 9.0 (6.0–11.8) | 6.8 (3.0–12.1) | 6.5 (3.0–11.5) | 6.8 (2.9–13.9) | MPH v. PhD 0.538 MEd v. PhD 0.185 MEd v. MSc 0.550 All others > 0.999 |
| 6-year h-index | 11.0(5.5–15.5) | 7.0 (3.0–12.0) | 9.0(4.5–12.5) | 6.5 (2.3–12.8) | 6.0 (2.8–14.0) | 6.5 (2.5–10.0) | MSc v. PhD 0.287 Ed v. PhD 0.540 All others > 0.999 |
| No. of basic science papers | 2.0 (0–9.0) | 0 (0–3.3) | 0 (0–0) | 0 (0–0) | 0 (0–0) | 0 (0–0) | MClinEpi v. PhD < 0.001 MPH v. PhD < 0.001 MEd v. PhD 0.001 Other v. PhD 0.007 MClinEpi v. MSc 0.0117 MPH v. MSc 0.054 MEd v. MSc 0.109 Other v. MSc 0.174 All others > 0.999 |
| No. of clinical papers | 15.0(5.5–33.0) | 7.5 (3.5–21.3) | 15.0(6.0–28.5) | 9.0 (3.3–33.8) | 10.0(2.8–25.3) | 10.0 (5.0–18.0) | MSc v. PhD 0.513 MClinEpi v. MSc 0.701br> All others > 0.999 |
| No. (%) of surgeons with< 1 publication per year | 8 (16.3 ) | 11 (20.4) | 8 (15.1) | 5 (20.8) | 7 (31.8) | 2 (20) | |
| No. of review articles | 2.0 (1.0–4.0) | 1.0 (0–4.0) | 2.0 (0–4.5) | 1.5 (1.0–4.5) | 1.0 (0–5.0) | 1.5 (0–4.3) | All > 0.999 |
| No. of book chapters | 0 (0–1.0) | 0 (0–1.0) | 0 (0–0) | 0 (0–1.0) | 0 (0–0.3) | 0 (0–0) | All > 0.999 |
| No. of primary literature or general articles | 19.0 (5.5–28.0) | 7.5 (2.8–22.5) | 11.0 (4.5–22.0) | 7.5 (2.3–25.5) | 7.5 (1.0–18.5) | 8.5 (1.8–13.8) | MSc v. PhD 0.368 MPH v. PhD 0.924 MEd v. PhD 0.457 All others > 0.999 |
| No. of narrative papers | 0 (0–2.5) | 0 (0–1.3) | 0 (0–1.0) | 0 (0–1.8) | 1.0 (0–2.3) | 0 (0–1.3) | MSc v. PhD 0.856 All others > 0.999 |
IQR = interquartile range; MClinEpi = master’s of clinical epidemiology; MEd = master’s of education; MPH = master’s of public health; MSc = master’s of science.
↵* Unless indicated otherwise.