Does the sex of your surgeon matter? A new study says yes

If your doctor recommends surgery, there’s a lot to think about and many questions to answer. Do I really need this surgery? Should I get a second opinion? Will my insurance cover my operation? How long will my recovery take?

But here’s something you might not have considered: does the sex of your surgeon affect the chances that your operation will go well? According to a study in JAMA Surgery, it just might.

How a surgeon’s sex might affect surgical outcomes

The study looked at information drawn from more than 1.3 million adults and nearly 3,000 surgeons who performed one of 21 common elective or emergency surgeries in Canada between 2007 and 2019. The range of surgeries included appendectomies, knee and hip replacements, aortic aneurysm repairs, and spinal surgeries.

The researchers compared how often unfavorable outcomes (surgical complications, readmissions to the hospital, or death) occurred within 30 days of surgery among four patient groups:

  • male patients operated on by a male surgeon (39% of operations)
  • female patients with a male surgeon (50% of operations)
  • female patients with a female surgeon (7% of operations)
  • male patients with a female surgeon (4% of operations).

Here’s what they found:

  • About 15% of all patients experienced unfavorable outcomes.
  • There was a 9% higher risk of complications such as major bleeding, heart attack, or kidney failure, and a 7% higher risk of death, when the sex of the surgeon and the patient differed (compared to patients whose sex was the same as their surgeon).
  • Most of the increased risk of having a surgeon whose sex was different was experienced by female patients. Compared with women who had a female surgeon, women with a male surgeon had an 11% higher rate of readmission to a hospital, a 16% higher rate of complications, and a 32% higher risk of death.
  • Smaller differences were seen for male patients, but their outcomes still favored female surgeons. Male patients had a 13% lower death rate and a 6% lower readmission rate if their surgeon was female rather than male.

The study was not designed to determine why these results were observed. However, its authors suggested that future research should compare specific differences in care, patient-surgeon relationships, measures of trust, and styles of communication between the four patient groups. It’s also possible female surgeons follow standard guidelines more closely than their male counterparts. Physicians differ widely in how closely they adhere to guidelines, though it’s unclear whether this might vary by physician sex. 

Does other research suggest the sex of a doctor and patient matter?

This is not the first study to suggest physician sex matters when it comes to the quality of medical care. Other examples include a previous study of common surgeries, research regarding elderly patients admitted to the hospital, and patients with heart attacks. Each study found that patients of female physicians tended to fare better than those of male physicians. Similar results were reported for a review of research on patients with cardiovascular disease.

In this latest research, there’s an added twist: most of the difference in outcomes was among female patients cared for by male physicians. So, there’s reason to take a good hard look at why this may be the case. What are female surgeons doing differently — especially with their female patients — that leads to better outcomes compared with male surgeons?

It’s a sensitive subject

Let’s face it: even raising the possibility that a surgeon’s sex matters could make some doctors defensive, particularly those whose patients had worse outcomes. Most doctors likely believe that they provide high-quality care to all of their patients, regardless of a patient’s sex. To suggest otherwise will predictably invite more than the usual amount of scrutiny and criticism of the research.

Of course, it’s fair to raise questions and to be skeptical of a single study. For example, is it possible that male surgeons took on or were assigned more complex cases? Or, perhaps the non-surgeon members of the surgical teams, such as nurses, trainees, and physician assistants who provide care before, during and after surgery, had something to do with the results. While this study attempted to account for these and other factors, it was an observational study, for which it’s often impossible to completely control for confounding factors.

The bottom line

There’s little chance to do much planning if your surgery is an emergency. Even if your surgery is elective, in many countries — including Canada, where this study took place — most surgeons are male. That’s true even in places where medical schools have similar numbers of male and female students. Any potential advantage may disappear if there’s little chance of receiving care from a female surgeon.

A surgeon’s expertise and experience with specific procedures matter most. It’s impractical to pick your surgeon solely by sex, even in light of this latest research.

But if the patients of female surgeons truly have better outcomes than patients operated on by male surgeons, it is imperative to understand why. Sorting out what female surgeons are doing well (or what male surgeons aren’t doing as well) is a worthy goal that could improve outcomes for all patients, regardless of their sex and that of their doctors.

Bible verses for today’s meditation and inspiration: Matthew E. McLaren

Create in me a pure heart, O God, and renew a steadfast spirit within me. Psalm 51:10 NIV

But the Lord said to Samuel, “Do not consider his appearance or his height, for I have rejected him. The Lord does not look at the things people look at. People look at the outward appearance, but the Lord looks at the heart.” 1 Samuel 16:7 NIV

Jesus replied: ‘Love the Lord your God with all your heart and with all your soul and with all your mind.’ Matthew 22:37:37 NIV

Take delight in the Lord, and he will give you the desires of your heart. Psalm 37:4 NIV

Each of you should give what you have decided in your heart to give, not reluctantly or under compulsion, for God loves a cheerful giver. 2 Corinthians 9:7 NIV

A cheerful heart is a good medicine, but a crushed spirit dries up the bones. Proverbs 17:22 NIV

My son, do not forget my teaching, but keep my commands in your heart, for they will prolong your life many years and bring you peace and prosperity. Proverbs 3:1-2 NIV

The wise in heart accept commands, but a chattering fool comes to ruin. Proverbs 10:8 NIV

I seek you with all my heart; do not let me stray from your commands. Psalm 119:10 NIV

Be strong and take heart, all you who hope in the Lord. Psalm 31:24 NIV

Teach us to number our days, that we may gain a heart of wisdom. Psalm 90:12 NIV

I will praise you with an upright heart as I learn your righteous laws. Psalm 119:7 NIV

Blessed are those who keep his statutes and seek him with all their heart. Psalm 119:2 NIV

Truly I tell you, if anyone says to this mountain, ‘Go, throw yourself into the sea,’ and does not doubt in their heart but believes that what they say will happen, it will be done for them. Mark 11:23 NIV

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