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. 2024 Mar 6;12:e47744. doi: 10.2196/47744

Table 4.

LOTa rules for SACTb and mortality information.

Task Data set A Data set B
Task 10: number of patients initiating the target SACT by year and quarter Figure 1A Figure 1B
Task 11: completeness of LOT information, n (%)c

Patients with complete line number 5594 (75.94) 4589 (40.3)

Patients with complete line name 5594 (75.94) N/Ad,e

Patients with complete line start date 5594 (75.94) 4589 (40.3)

Patients with complete line end date 5594 (75.94) N/Ae
Task 12: patients for whom the first LOT number after the advanced HNCf diagnosis date was not 1, n (%)c 0 (0) 434 (3.81)
Task 13: distribution of LOT number at target SACT initiation

Patients who received the target SACT, n 1200 237

Line 1, n (%) 481 (40.08) 65 (27.43)

Line 2, n (%) 486 (40.5) 92 (38.82)

Line 3, n (%) 161 (13.42) 54 (22.78)

Line 4, n (%) 46 (3.83) 16 (6.75)

Line 5, n (%) 13 (1.83) 10 (4.22)

Lines 6-10, n (%) 13 (1.83) 0 (0)
Task 14: use of target SACT in 1Lg before approval date

1L monotherapy


Patients who received target SACT, % (n/N) 78.37 (377/481) 67.69 (44/65)


First administration dateh in database July 15, 2015 November 10, 2014


Cutoff date for the earliest 5% receipt August 29, 2016 February 4, 2016


Cutoff date for the earliest 10% receipt November 3, 2016 September 23, 2016


Cutoff date for the earliest 25% receipt June 28, 2017 April 27, 2017

Approved 1L combination


Patients who received the target SACT in approved 1L combination, % (n/N) 7.69 (37/481) 6.15 (4/65)


First administration date in database December 18, 2018 July 1, 2019


Cutoff date for the earliest 5% receipt February 18, 2019 N/Ai


Cutoff date for the earliest 10% receipt April 2, 2019 N/Ai


Cutoff date for the earliest 25% receipt July 9, 2019 N/Ai
Task 15: patients with death record, n (%)c 4695 (63.74) 3531 (31)
Task 16: patients with multiple death records on different dates, n (%) 0 (0) N/Aj
Task 17: patients with clinical records showing health care activity after death date (n=4695), n (%) 1497 (31.88) N/Aj

≥1 d after date of death 1436 (30.59) N/Aj

≥3 d after date of death 1290 (27.48) N/Aj

≥7 d after date of death 1002 (21.34) N/Aj

≥30 d after date of death 79 (1.68) N/Aj

a LOT: line of therapy.

bSACT: systemic anticancer therapy.

cTasks 11, 12, and 15 were applied to the full data sets, including 7366 and 11,386 patients in Data sets A and B, respectively.

dN/A: not applicable.

eLine name and line end date were not available in Data set B.

fHNC: head and neck cancer.

g1L: first line of therapy after the advanced HNC diagnosis date.

hDates are written as month/day/year.

iNot calculated as only 4 patients received the target SACT in a 1L combination LOT.

jOnly the year of death was available in Data set B.