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Table 2 Characteristics of included lung cancer cases, 2002–2011

From: Medical expenditure for lung cancer in China: a multicenter, hospital-based retrospective survey

Variable

Results (n = 15,437)

Regiona, n (%)

 East

7799

(50.52)

 Central

3653

(23.66)

 West

3985

(25.81)

Hospital type, n (%)

 General

4658

(30.17)

 Specialized

10,779

(69.83)

Hospital level, n (%)

 3 A

14,381

(93.16)

 3 B or less

1056

(6.84)

Gender

 Male

10,786

(69.87)

 Female

4651

(30.13)

Age at diagnosis, years, mean ± SD

59.53 ± 11.19

Age at diagnosis, years

 < 45

1537

(9.96)

 45–54

3373

(21.85)

 55–64

5116

(33.14)

  ≥ 65

5411

(35.05)

Pathological typeb

 Squamous cell carcinoma

5380

(38.61)

 Adenocarcinoma

4943

(35.47)

 Others

3611

(25.91)

Clinical stageb

 I

2922

(18.93)

 II

2344

(15.18)

 III

4507

(29.2)

 IV

5005

(32.42)

 Not reported

659

(4.27)

The proportion of morphological verification, %

12,291

(79.64)

Number of clinical visits per case, Median (P5-P95)

1 (1–8)

Number of clinical visits per case

 1

8975

(58.14)

 2

2182

(14.13)

 3

1461

(9.46)

 4 + 

2819

(18.26)

Number of length of stay per case, Median (P25-P75)

26 (14–55)

Type of therapy

 Surgery

2873

(19)

 Radiotherapy

1159

(7.67)

 Surgery & Radiotherapy

95

(0.63)

 Chemotherapy

4289

(28.37)

 Surgery & Chemotherapy

2627

(17.37)

 Radiotherapy & Chemotherapy

1486

(9.83)

 Palliative care

1923

(12.72)

 Others

668

(4.42)

% of cases with any comorbidities

5098

(33.02)

% of cases with any complications

1431

(9.27)

  1. aChina is divided into eastern, middle and western regions according to economic development and geographical position differences within country
  2. bClinical stage is divided into four stages according to the combination of neoplastic TNM classification. Stage I is the mildest, which mean that the lesion was localized to the mucosa or submucosa without lymph node metastasis. Stage IV is the most sever, which mean that the lesion involves peripheral organs with distant lymph node metastases or distant metastases