Table 2 Summary statistics: other diagnoses/comorbidities and surgical procedures

 Certain infectious and parasitic diseases (A00-B99)

No

1,501,709 (98.97)

57,020 (98.51)

< 0.001

Yes

15,640 (1.03)

864 (1.49)

 Neoplasms (C00-D49) (excluding encounters for chemotherapy)

No

1,510,526 (99.55)

57,523 (99.38)

< 0.001

Yes

6823 (0.45)

361 (0.62)

 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

No

1,504,241 (99.14)

57,041 (98.54)

< 0.001

Yes

13,108 (0.86)

843 (1.46)

 Endocrine, nutritional, and metabolic diseases (E00-E89)

No

1,376,422 (90.71)

51,121 (88.32)

< 0.001

Yes

140,927 (9.29)

6763 (11.68)

 Mental, behavioral, and neurodevelopmental disorders (F01-F99)

No

1,296,066 (85.42)

45,219 (78.12)

< 0.001

Yes

221,283 (14.58)

12,665 (21.88)

 Disease of the nervous system (G00-G99)

No

1,417,394 (93.41)

52,214 (90.20)

< 0.001

Yes

99,955 (6.59)

5670 (9.80)

 Diseases of the eye and adnexa (H00-H59)

No

1,474,791 (97.20)

56,370 (97.38)

0.007

Yes

42,558 (2.80)

1514 (2.62)

 Diseases of the circulatory system (I00-I99)

No

1,330,196 (87.67)

48,567 (83.90)

< 0.001

Yes

187,153 (12.33)

9317 (16.10)

 Diseases of the respiratory system (J00-J99)

No

1,449,050 (95.50)

54,362 (93.92)

< 0.001

Yes

68,299 (4.50)

3522 (6.08)

 Diseases of the digestive system (K00-K95)

No

1,453,950 (95.82)

54,637 (94.39)

< 0.001

Yes

63,399 (4.18)

3247 (5.61)

 Diseases of the skin and subcutaneous tissue (L00-L99)

No

1,456,934 (96.02)

53,432 (92.31)

< 0.001

Yes

60,415 (3.98)

4452 (7.69)

 Diseases of the musculoskeletal system and connective tissue (M00-M99)

No

963,184 (63.48)

39,179 (67.69)

< 0.001

Yes

554,165 (36.52)

18,705 (32.31)

 Disease of the genitourinary system (N00-N99)

No

1,433,691 (94.49)

53,793 (92.93)

< 0.001

Yes

83,658 (5.51)

4091 (7.07)

 Pregnancy, childbirth, and the puerperium (O00-O9A)

No

1,508,641 (99.43)

57,549 (99.42)

0.902

Yes

8708 (0.57)

335 (0.58)

 Congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

No

1,514,720 (99.83)

57,788 (99.83)

0.711

Yes

2629 (0.17)

96 (0.17)

 Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

No

1,210,410 (79.77)

42,401 (73.25)

< 0.001

Yes

306,939 (20.23)

15,483 (26.75)

 External causes of morbidity (V00-Y99)

No

389,533 (25.67)

15,725 (27.17)

< 0.001

Yes

1,127,816 (74.33)

42,159 (72.83)

 Factors influencing health status and contact with health services (Z00-Z99)

No

1,198,725 (79.00)

42,590 (73.58)

< 0.001

Yes

318,624 (21.00)

15,294 (26.42)

 Integumentary surgery (CPT4: 10030-19499)

No

1,425,628 (93.96)

53,469 (92.37)

< 0.001

Yes

91,721 (6.04)

4415 (7.63)

 Musculoskeletal surgery (CPT4: 20100-29999)

No

1,460,822 (96.27)

56,089 (96.90)

< 0.001

Yes

56,527 (3.73)

1795 (3.10)

 Respiratory surgery (CPT4: 30000-32999)

No

1,516,932 (99.97)

57,790 (99.84)

< 0.001

Yes

417 (0.03)

94 (0.16)

 Cardiovascular surgery (CPT4: 33010-37799)

No

1,495,828 (98.58)

56,739 (98.02)

< 0.001

Yes

21,521 (1.42)

1145 (1.98)

 Digestive surgery (CPT4: 40490-49999)

No

1,512,836 (99.70)

57,767 (99.80)

< 0.001

Yes

4513 (0.30)

117 (0.20)

 Urinary/reproductive system surgery (CPT4: 50010-58999)

No

1,515,308 (99.87)

57,740 (99.75)

< 0.001

Yes

2041 (0.13)

144 (0.25)

 Nervous system surgery (CPT4: 61000-64999)

No

1,515,677 (99.89)

57,798 (99.85)

0.008

Yes

1672 (0.11)

86 (0.15)

 Eye/ocular surgery (CPT4: 65091-68899)

No

1,515,061 (99.85)

57,833 (99.91)

< 0.001

Yes

2288 (0.15)

51 (0.09)

 Auditory surgery (CPT4: 69000-69979)

No

1,516,050 (99.91)

57,867 (99.97)

< 0.001

Yes

1299 (0.09)

17 (0.03)