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Table 4 Distribution of histological groups by sex

From: The use of a multiple imputation method to investigate the trends in Histologic types of lung cancer in Songkhla province, Thailand, 1989–2013

 

Known histology

 

Unknown histologya

 

Male

Female

 

Male

Female

(n = 1812)

(n = 747)

 

(n = 922)

(n = 363)

Type of cancer

  

Type of cancer

  

 Squamous cell carcinoma

  

 Squamous cell carcinoma

  

  Number

585

93

  Number (95 % PI)

296 (263–309)

48 (35–61)

  Percent (95 % CI)

32.3 (30.1–34.4)

12.5 (10.1–14.8)

  Percent (95 % PI)

32.1 (28.5–35.5)

13.2 (9.6–16.8)

 Adenocarcinoma

  

 Adenocarcinoma

  

  Number

908

583

  Number (95 % PI)

482 (454–517)

281 (264–297)

  Percent (95 % CI)

50.1 (47.8–52.4)

78.0 (75.1–81.0)

  Percent (95 % PI)

52.3 (49.3–56.1)

77.3 (72.7–81.8)

 Other specified cancer

  

 Other specified cancer

  

  Number

219

71

  Number (95 % PI)

144 (111–175)

34 (20–51)

  Percent (95 % CI)

17.6 (15.0–20.2)

9.5 (6.4–12.5)

  Percent (95 % PI)

15.6 (12.0–19.0)

9.5 (5.5–14.1)

  1. Columns are arranged for patients with known histology (real data), and the estimated numbers and percentages by multiple imputation for patients with unknown histology (imputed)
  2. aUnknown histology includes NSCC and true unknown histology. The distribution of the number of cases with known and unknown histology cases is not statistically significant with chi-square p-values of 0.235 and 0.968 for males and females, respectively. Those with known histology, the true number and the percentage with its 95 % CI (calculated from the standard error) are present. After 200 rounds of multiple imputation, the mean (estimated) number and the percentage of different cancer types among those with unknown histology, and 95 % PI are presented