SR 4 - Surgical Percentages

Question 1

What percentage of people in the US will develop acute appendicitis?

Answer 1

~7%

Question 2

What is the acceptable percentage of normal appendices removed with the preoperative diagnosis of appendicitis?

Answer 2

Up to 20%

Question 3

What percentage of cases can US diagnose cholelithiasis?

Answer 3

98%

Question 4

In what percentage of cases does GI bleed stop spontaneously?

Answer 4

~90%

Question 5

In what percentage of cases does a UGI bleed stop spontaneously?

Answer 5

~80%

Question 6

% of patients undergoing laparotomy that develop a postop SBO at some time later?

Answer 6

~5%

Question 7

% of American women develop breast cancer?

Answer 7

10%

Question 8

% of patients with acute appendiciis that have a radiopaque fecalith on AXR?

Answer 8

5%

Question 9

% of patients with gallstones that are radiopague on AXR?

Answer 9

~10%

Question 10

% of kidney stones that are radiopaque on AXR?

Answer 10

90%

Question 11

At 6 weeks, % of total tensile strength wounds have achieved?

Answer 11

90%

Question 12

% of patients with ARDS that will die?

Answer 12

40%

Question 13

% of population with a Meckel’s diverticulum?

Answer 13

2%

Question 14

Risk of appendiceal rupture 24 hours after onset of symptoms?

Answer 14

25%

Question 15

% of colonic villous adenomas contain cancer?

Answer 15

40%

Question 16

One unit of RBCs increase the hematocrit by how much?

Answer 16

3%

Question 17

Additional 1 liter by nasal cannula increases FIO2 by how much?

Answer 17

3%

Question 18

% of porcelain gallbladders will contain cancer?

Answer 18

50%

Question 19

% of patients with gastric ulcers have cancer on biopsy?

Answer 19

10%