Table 4 Sensitivity analysis according to follow-up period
From: Lifetime survival and medical costs of lung cancer: a semi-parametric estimation from South Korea
Survival: year (SE), Cost: USD (SE) | Follow-up month | Survival | Medical expenditure | Yearly medical cost (YMC) in USD | Deviation % in YMC | ||
|---|---|---|---|---|---|---|---|
ST during real follow-up | eST during lifetime (300 months) | ME during real follow-up | eME during lifetime (300 months) | ||||
Total (n = 2919) | 100 (base) | 2.48 (0.06) | 4.53 (0.21) | 22,130 (506) | 30,857 (1156) | 5393 (399) | 100% |
60 | 1.82 (0.04) | 3.67 (0.22) | 19,544 (399) | 29,714 (1164) | 6851 (576) | 127% | |
80 | 2.16 (0.05) | 4.50 (0.23) | 20,928 (417) | 31,262 (1171) | 5782 (440) | 107% | |
120 | 2.76 (0.07) | 4.51 (0.20) | 22,886 (539) | 28,918 (1087) | 4835 (357) | 90% | |
Last (143 month) | 3.07 (0.08) | 4.85 (0.23) | 23,609 (544) | 30,058 (1305) | 4779 (388) | 89% | |
Surgery (n = 426) | 100 (base) | 6.73 (0.13) | 14.19 (0.91) | 30,843 (1147) | 61,592 (4722) | 4359 (434) | 100% |
60 | 4.32 (0.07) | 11.19 (1.76) | 22,551 (769) | 53,539 (5995) | 4917 (924) | 113% | |
80 | 5.56 (0.09) | 13.92 (1.11) | 27,270 (1021) | 63,507 (5528) | 4596 (538) | 105% | |
120 | 7.82 (0.17) | 14.33 (0.85) | 33,271 (1347) | 55,003 (5003) | 3852 (417) | 88% | |
Last (143 month) | 9.03 (0.21) | 15.00 (0.72) | 36,892 (1932) | 64,472 (7368) | 4299 (533) | 99% | |
Surgery+CTx/RTx (n = 296) | 100 (base) | 5.09 (0.20) | 8.51 (1.00) | 42,384 (1699) | 60,640 (4894) | 7075 (1012) | 100% |
60 | 3.56 (0.10) | 9.93 (1.22) | 35,835 (1642) | 71,326 (6374) | 7260 (1093) | 103% | |
80 | 4.39 (0.13) | 9.08 (0.96) | 39,406 (1680) | 65,710 (5290) | 7235 (958) | 102% | |
120 | 5.73 (0.23) | 9.53 (1.07) | 45,035 (2668) | 59,804 (6702) | 6217 (994) | 88% | |
Last (137 month) | 6.20 (0.29) | 10.12 (1.01) | 45,970 (2239) | 57,512 (5237) | 5613 (764) | 79% | |
CTx/RTx (n = 1405) | 100 (base) | 1.87 (0.06) | 3.01 (0.20) | 22,255 (578) | 30,079 (1261) | 7626 (756) | 100% |
60 | 1.56 (0.05) | 2.01 (0.11) | 24,244 (571) | 27,740 (888) | 10,150 (835) | 133% | |
80 | 1.73 (0.06) | 2.78 (0.23) | 24,684 (568) | 28,937 (1233) | 8058 (947) | 106% | |
120 | 2.00 (0.07) | 2.78 (0.21) | 25,443 (643) | 28,214 (1076) | 7176 (824) | 94% | |
Last (142 month) | 2.13 (0.08) | 2.94 (0.20) | 25,513 (572) | 26,631 (701) | 6337 (617) | 83% | |