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Table 1 Patient demographics

From: The time required to diagnose and treat lung cancer in Delhi, India: an updated experience of a public referral center

Age (1369 Responses): 57.8 +/− 11.0
Sex (n = 1370):
 Male: 1140 (83.2%)
 Female: 230 (16.8%)
Religion (n = 787):
 Hindu: 653 (83.0%)
 Muslim: 126 (16.0%)
 Sikh: 6 (0.8%)
 Christian: 2 (0.3%)
Education (n = 933):
 Illiterate: 232 (24.9%)
 Primary: 233 (25.0%)
 Secondary: 256 (27.4%)
 Higher Secondary: 106 (11.4%)
 Graduate: 76 (8.1%)
 Post-Graduate: 30 (3.2%)
Income per Capita (n = 587)a: 6000 [0–100,000]
Smoking Status (n = 1273):
 Never: 288 (22.6%)
 Current: 534 (42.0%)
 Reformed: 451 (35.4%)
Smoking Index (n = 1093)b: 265 [0.25–3500]
ECOG Performance Status (n = 971):
 ECOG 0: 67 (6.9%)
 ECOG 1: 491 (50.6%)
 ECOG 2: 272 (28.0%)
 ECOG 3: 114 (11.7%)
 ECOG 4: 27 (2.8%)
KPS Score (n = 1017):
 KPS < 70: 232 (22.8%)
 KPS >/ 70: 785 (77.2%)
Definitive Diagnostic Study (n = 1289):
 Bronchoscopy: 678 (52.6%)
 CT-Guided Lung Biopsy: 297 (23.0%)
 US-Guided Lung Biopsy: 116 (9.0%)
 Thoracoscopy: 53 (4.1%)
 Surgical: 5 (3.9%)
 Otherc: 140 (10.9%)
Pathologic Diagnosis (n = 1370):
 Adenocarcinoma: 449 (32.8%)
 Squamous Cell Carcinoma: 379 (27.7%)
 NSCLC-NOS: 261 (19.1%)
 Small Cell Carcinoma: 243 (17.7%)
 Adeno-Squamous Carcinoma: 6 (0.4%)
 Mesothelioma: 5 (0.4%)
 Neuroendocrine Tumor: 9 (0.7%)
 Adenoid cystic Carcinoma: 10 (0.8%)
 Others: 8 (0.6%)
NSCLC Stage at Diagnosis (n = 1026):
 Stage 1: 14 (1.4%)
 Stage 2: 42 (4.1%)
 Stage 3: 309 (30.1%)
 Stage 4: 661 (64.4%)
SCLC Stage at Diagnosis (n = 220):
 Limited: 54 (24.5%)
 Extensive: 166 (75.5%)
  1. All values expressed as mean +/− standard deviation, median [Inter-quartile range], or number (%)
  2. ECOG Eastern Cooperative Oncology Group, KPS Karnofsky Performance Scale, US ultrasound, CT computed tomography, NSCLC-NOS non-small cell lung cancer – not otherwise specified, SCLC small cell lung cancer
  3. aIncome reported in rupees per month. Approximately 68.9 Rs. is equivalent to $1.00 US
  4. bSmoking index is the number of cigarettes / bidis smoked per day multiplied by the number of years smoking (bidis are a form of tobacoco wrapped in tendu leaves and smoked like cigarettes, common in Northern India)
  5. cAlternative procedures to obtain sample include pleural fluid analysis, sputum cytology, surface lymph node aspiration, or biopsy of a distant metastasis